20640048

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 160

約数和(自身を含む): 65329152

約数和(自身を除く): 44689104

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 31, 33, 39, 44, 48, 52, 62, 66, 78, 88, 93, 97, 104, 124, 132, 143, 156, 176, 186, 194, 208, 248, 264, 286, 291, 312, 341, 372, 388, 403, 429, 496, 528, 572, 582, 624, 682, 744, 776, 806, 858, 1023, 1067, 1144, 1164, 1209, 1261, 1364, 1488, 1552, 1612, 1716, 2046, 2134, 2288, 2328, 2418, 2522, 2728, 3007, 3201, 3224, 3432, 3783, 4092, 4268, 4433, 4656, 4836, 5044, 5456, 6014, 6402, 6448, 6864, 7566, 8184, 8536, 8866, 9021, 9672, 10088, 12028, 12804, 13299, 13871, 15132, 16368, 17072, 17732, 18042, 19344, 20176, 24056, 25608, 26598, 27742, 30264, 33077, 35464, 36084, 39091, 41613, 48112, 51216, 53196, 55484, 60528, 66154, 70928, 72168, 78182, 83226, 99231, 106392, 110968, 117273, 132308, 144336, 156364, 166452, 198462, 212784, 221936, 234546, 264616, 312728, 332904, 396924, 430001, 469092, 529232, 625456, 665808, 793848, 860002, 938184, 1290003, 1587696, 1720004, 1876368, 2580006, 3440008, 5160012, 6880016, 10320024, 20640048]

約数ペア:

[(1, 20640048), (2, 10320024), (3, 6880016), (4, 5160012), (6, 3440008), (8, 2580006), (11, 1876368), (12, 1720004), (13, 1587696), (16, 1290003), (22, 938184), (24, 860002), (26, 793848), (31, 665808), (33, 625456), (39, 529232), (44, 469092), (48, 430001), (52, 396924), (62, 332904), (66, 312728), (78, 264616), (88, 234546), (93, 221936), (97, 212784), (104, 198462), (124, 166452), (132, 156364), (143, 144336), (156, 132308), (176, 117273), (186, 110968), (194, 106392), (208, 99231), (248, 83226), (264, 78182), (286, 72168), (291, 70928), (312, 66154), (341, 60528), (372, 55484), (388, 53196), (403, 51216), (429, 48112), (496, 41613), (528, 39091), (572, 36084), (582, 35464), (624, 33077), (682, 30264), (744, 27742), (776, 26598), (806, 25608), (858, 24056), (1023, 20176), (1067, 19344), (1144, 18042), (1164, 17732), (1209, 17072), (1261, 16368), (1364, 15132), (1488, 13871), (1552, 13299), (1612, 12804), (1716, 12028), (2046, 10088), (2134, 9672), (2288, 9021), (2328, 8866), (2418, 8536), (2522, 8184), (2728, 7566), (3007, 6864), (3201, 6448), (3224, 6402), (3432, 6014), (3783, 5456), (4092, 5044), (4268, 4836), (4433, 4656)]