20049596980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{451771}}^1$

素因数の和:452104

約数の個数: 48

約数和(自身を含む): 48270934656

約数和(自身を除く): 28221337676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 1268, 1585, 2219, 3170, 4438, 6340, 8876, 11095, 22190, 44380, 451771, 903542, 1807084, 2258855, 3162397, 4517710, 6324794, 9035420, 12649588, 15811985, 31623970, 63247940, 143211407, 286422814, 572845628, 716057035, 1002479849, 1432114070, 2004959698, 2864228140, 4009919396, 5012399245, 10024798490, 20049596980]

約数ペア:

[(1, 20049596980), (2, 10024798490), (4, 5012399245), (5, 4009919396), (7, 2864228140), (10, 2004959698), (14, 1432114070), (20, 1002479849), (28, 716057035), (35, 572845628), (70, 286422814), (140, 143211407), (317, 63247940), (634, 31623970), (1268, 15811985), (1585, 12649588), (2219, 9035420), (3170, 6324794), (4438, 4517710), (6340, 3162397), (8876, 2258855), (11095, 1807084), (22190, 903542), (44380, 451771)]