20215522854

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{1009}}^1$

素因数の和:1406

約数の個数: 96

約数和(自身を含む): 45365935680

約数和(自身を除く): 25150412826

約数列:

[1, 2, 3, 6, 9, 18, 61, 71, 122, 142, 183, 213, 257, 366, 426, 514, 549, 639, 771, 1009, 1098, 1278, 1542, 2018, 2313, 3027, 4331, 4626, 6054, 8662, 9081, 12993, 15677, 18162, 18247, 25986, 31354, 36494, 38979, 47031, 54741, 61549, 71639, 77958, 94062, 109482, 123098, 141093, 143278, 164223, 184647, 214917, 259313, 282186, 328446, 369294, 429834, 518626, 553941, 644751, 777939, 1107882, 1113067, 1289502, 1555878, 2226134, 2333817, 3339201, 4369979, 4667634, 6678402, 8739958, 10017603, 13109937, 15818093, 18411223, 20035206, 26219874, 31636186, 36822446, 39329811, 47454279, 55233669, 78659622, 94908558, 110467338, 142362837, 165701007, 284725674, 331402014, 1123084603, 2246169206, 3369253809, 6738507618, 10107761427, 20215522854]

約数ペア:

[(1, 20215522854), (2, 10107761427), (3, 6738507618), (6, 3369253809), (9, 2246169206), (18, 1123084603), (61, 331402014), (71, 284725674), (122, 165701007), (142, 142362837), (183, 110467338), (213, 94908558), (257, 78659622), (366, 55233669), (426, 47454279), (514, 39329811), (549, 36822446), (639, 31636186), (771, 26219874), (1009, 20035206), (1098, 18411223), (1278, 15818093), (1542, 13109937), (2018, 10017603), (2313, 8739958), (3027, 6678402), (4331, 4667634), (4626, 4369979), (6054, 3339201), (8662, 2333817), (9081, 2226134), (12993, 1555878), (15677, 1289502), (18162, 1113067), (18247, 1107882), (25986, 777939), (31354, 644751), (36494, 553941), (38979, 518626), (47031, 429834), (54741, 369294), (61549, 328446), (71639, 282186), (77958, 259313), (94062, 214917), (109482, 184647), (123098, 164223), (141093, 143278)]