20967336

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 160

約数和(自身を含む): 67082400

約数和(自身を除く): 46115064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 36, 38, 39, 52, 54, 57, 72, 76, 78, 81, 104, 108, 114, 117, 131, 152, 156, 162, 171, 216, 228, 234, 247, 262, 312, 324, 342, 351, 393, 456, 468, 494, 513, 524, 648, 684, 702, 741, 786, 936, 988, 1026, 1048, 1053, 1179, 1368, 1404, 1482, 1539, 1572, 1703, 1976, 2052, 2106, 2223, 2358, 2489, 2808, 2964, 3078, 3144, 3406, 3537, 4104, 4212, 4446, 4716, 4978, 5109, 5928, 6156, 6669, 6812, 7074, 7467, 8424, 8892, 9432, 9956, 10218, 10611, 12312, 13338, 13624, 14148, 14934, 15327, 17784, 19912, 20007, 20436, 21222, 22401, 26676, 28296, 29868, 30654, 32357, 40014, 40872, 42444, 44802, 45981, 53352, 59736, 61308, 64714, 67203, 80028, 84888, 89604, 91962, 97071, 122616, 129428, 134406, 137943, 160056, 179208, 183924, 194142, 201609, 258856, 268812, 275886, 291213, 367848, 388284, 403218, 537624, 551772, 582426, 776568, 806436, 873639, 1103544, 1164852, 1612872, 1747278, 2329704, 2620917, 3494556, 5241834, 6989112, 10483668, 20967336]

約数ペア:

[(1, 20967336), (2, 10483668), (3, 6989112), (4, 5241834), (6, 3494556), (8, 2620917), (9, 2329704), (12, 1747278), (13, 1612872), (18, 1164852), (19, 1103544), (24, 873639), (26, 806436), (27, 776568), (36, 582426), (38, 551772), (39, 537624), (52, 403218), (54, 388284), (57, 367848), (72, 291213), (76, 275886), (78, 268812), (81, 258856), (104, 201609), (108, 194142), (114, 183924), (117, 179208), (131, 160056), (152, 137943), (156, 134406), (162, 129428), (171, 122616), (216, 97071), (228, 91962), (234, 89604), (247, 84888), (262, 80028), (312, 67203), (324, 64714), (342, 61308), (351, 59736), (393, 53352), (456, 45981), (468, 44802), (494, 42444), (513, 40872), (524, 40014), (648, 32357), (684, 30654), (702, 29868), (741, 28296), (786, 26676), (936, 22401), (988, 21222), (1026, 20436), (1048, 20007), (1053, 19912), (1179, 17784), (1368, 15327), (1404, 14934), (1482, 14148), (1539, 13624), (1572, 13338), (1703, 12312), (1976, 10611), (2052, 10218), (2106, 9956), (2223, 9432), (2358, 8892), (2489, 8424), (2808, 7467), (2964, 7074), (3078, 6812), (3144, 6669), (3406, 6156), (3537, 5928), (4104, 5109), (4212, 4978), (4446, 4716)]