20009671984

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{1553}}^1\times {\mathrm{5333}}^1$

素因数の和:7045

約数の個数: 40

約数和(自身を含む): 39057937632

約数和(自身を除く): 19048265648

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 1553, 2416, 3106, 5333, 6212, 10666, 12424, 21332, 24848, 42664, 85328, 234503, 469006, 805283, 938012, 1610566, 1876024, 3221132, 3752048, 6442264, 8282149, 12884528, 16564298, 33128596, 66257192, 132514384, 1250604499, 2501208998, 5002417996, 10004835992, 20009671984]

約数ペア:

[(1, 20009671984), (2, 10004835992), (4, 5002417996), (8, 2501208998), (16, 1250604499), (151, 132514384), (302, 66257192), (604, 33128596), (1208, 16564298), (1553, 12884528), (2416, 8282149), (3106, 6442264), (5333, 3752048), (6212, 3221132), (10666, 1876024), (12424, 1610566), (21332, 938012), (24848, 805283), (42664, 469006), (85328, 234503)]