20235561808

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:618

約数の個数: 240

約数和(自身を含む): 51201722880

約数和(自身を除く): 30966161072

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 41, 44, 56, 77, 79, 82, 88, 112, 121, 154, 158, 164, 176, 242, 287, 308, 316, 328, 451, 461, 484, 553, 574, 616, 632, 656, 847, 869, 902, 922, 968, 1106, 1148, 1232, 1264, 1694, 1738, 1804, 1844, 1936, 2212, 2296, 3157, 3227, 3239, 3388, 3476, 3608, 3688, 4424, 4592, 4961, 5071, 6083, 6314, 6454, 6478, 6776, 6952, 7216, 7376, 8848, 9559, 9922, 10142, 12166, 12628, 12908, 12956, 13552, 13904, 18901, 19118, 19844, 20284, 22673, 24332, 25256, 25816, 25912, 34727, 35497, 35629, 36419, 37802, 38236, 39688, 40568, 45346, 48664, 50512, 51632, 51824, 55781, 66913, 69454, 70994, 71258, 72838, 75604, 76472, 79376, 81136, 90692, 97328, 111562, 132307, 133826, 138908, 141988, 142516, 145676, 151208, 152944, 181384, 207911, 223124, 249403, 254933, 264614, 267652, 277816, 283976, 285032, 291352, 302416, 362768, 390467, 391919, 400609, 415822, 446248, 498806, 509866, 529228, 535304, 555632, 567952, 570064, 582704, 780934, 783838, 801218, 831644, 892496, 997612, 1019732, 1058456, 1070608, 1455377, 1493179, 1561868, 1567676, 1602436, 1663288, 1995224, 2039464, 2116912, 2287021, 2743433, 2804263, 2910754, 2986358, 3123736, 3135352, 3204872, 3326576, 3990448, 4078928, 4406699, 4574042, 5486866, 5608526, 5821508, 5972716, 6247472, 6270704, 6409744, 8813398, 9148084, 10452253, 10973732, 11217052, 11643016, 11945432, 16009147, 16424969, 17626796, 18296168, 20904506, 21947464, 22434104, 23286032, 23890864, 30846893, 32018294, 32849938, 35253592, 36592336, 41809012, 43894928, 44868208, 61693786, 64036588, 65699876, 70507184, 83618024, 114974783, 123387572, 128073176, 131399752, 167236048, 180674659, 229949566, 246775144, 256146352, 262799504, 361349318, 459899132, 493550288, 722698636, 919798264, 1264722613, 1445397272, 1839596528, 2529445226, 2890794544, 5058890452, 10117780904, 20235561808]

約数ペア:

[(1, 20235561808), (2, 10117780904), (4, 5058890452), (7, 2890794544), (8, 2529445226), (11, 1839596528), (14, 1445397272), (16, 1264722613), (22, 919798264), (28, 722698636), (41, 493550288), (44, 459899132), (56, 361349318), (77, 262799504), (79, 256146352), (82, 246775144), (88, 229949566), (112, 180674659), (121, 167236048), (154, 131399752), (158, 128073176), (164, 123387572), (176, 114974783), (242, 83618024), (287, 70507184), (308, 65699876), (316, 64036588), (328, 61693786), (451, 44868208), (461, 43894928), (484, 41809012), (553, 36592336), (574, 35253592), (616, 32849938), (632, 32018294), (656, 30846893), (847, 23890864), (869, 23286032), (902, 22434104), (922, 21947464), (968, 20904506), (1106, 18296168), (1148, 17626796), (1232, 16424969), (1264, 16009147), (1694, 11945432), (1738, 11643016), (1804, 11217052), (1844, 10973732), (1936, 10452253), (2212, 9148084), (2296, 8813398), (3157, 6409744), (3227, 6270704), (3239, 6247472), (3388, 5972716), (3476, 5821508), (3608, 5608526), (3688, 5486866), (4424, 4574042), (4592, 4406699), (4961, 4078928), (5071, 3990448), (6083, 3326576), (6314, 3204872), (6454, 3135352), (6478, 3123736), (6776, 2986358), (6952, 2910754), (7216, 2804263), (7376, 2743433), (8848, 2287021), (9559, 2116912), (9922, 2039464), (10142, 1995224), (12166, 1663288), (12628, 1602436), (12908, 1567676), (12956, 1561868), (13552, 1493179), (13904, 1455377), (18901, 1070608), (19118, 1058456), (19844, 1019732), (20284, 997612), (22673, 892496), (24332, 831644), (25256, 801218), (25816, 783838), (25912, 780934), (34727, 582704), (35497, 570064), (35629, 567952), (36419, 555632), (37802, 535304), (38236, 529228), (39688, 509866), (40568, 498806), (45346, 446248), (48664, 415822), (50512, 400609), (51632, 391919), (51824, 390467), (55781, 362768), (66913, 302416), (69454, 291352), (70994, 285032), (71258, 283976), (72838, 277816), (75604, 267652), (76472, 264614), (79376, 254933), (81136, 249403), (90692, 223124), (97328, 207911), (111562, 181384), (132307, 152944), (133826, 151208), (138908, 145676), (141988, 142516)]