201719484020

素因数分解:

$2^2\times 5^1\times {\mathrm{15377}}^1\times {\mathrm{655913}}^1$

素因数の和:671299

約数の個数: 24

約数和(自身を含む): 423639110664

約数和(自身を除く): 221919626644

約数列:

[1, 2, 4, 5, 10, 20, 15377, 30754, 61508, 76885, 153770, 307540, 655913, 1311826, 2623652, 3279565, 6559130, 13118260, 10085974201, 20171948402, 40343896804, 50429871005, 100859742010, 201719484020]

約数ペア:

[(1, 201719484020), (2, 100859742010), (4, 50429871005), (5, 40343896804), (10, 20171948402), (20, 10085974201), (15377, 13118260), (30754, 6559130), (61508, 3279565), (76885, 2623652), (153770, 1311826), (307540, 655913)]