20199312010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{671743}}^1$

素因数の和:671878

約数の個数: 32

約数和(自身を含む): 37918605312

約数和(自身を除く): 17719293302

約数列:

[1, 2, 5, 10, 31, 62, 97, 155, 194, 310, 485, 970, 3007, 6014, 15035, 30070, 671743, 1343486, 3358715, 6717430, 20824033, 41648066, 65159071, 104120165, 130318142, 208240330, 325795355, 651590710, 2019931201, 4039862402, 10099656005, 20199312010]

約数ペア:

[(1, 20199312010), (2, 10099656005), (5, 4039862402), (10, 2019931201), (31, 651590710), (62, 325795355), (97, 208240330), (155, 130318142), (194, 104120165), (310, 65159071), (485, 41648066), (970, 20824033), (3007, 6717430), (6014, 3358715), (15035, 1343486), (30070, 671743)]