20811752710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1309739}}^1$

素因数の和:1309980

約数の個数: 32

約数和(自身を含む): 43001383680

約数和(自身を除く): 22189630970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227, 454, 1135, 1589, 2270, 3178, 7945, 15890, 1309739, 2619478, 6548695, 9168173, 13097390, 18336346, 45840865, 91681730, 297310753, 594621506, 1486553765, 2081175271, 2973107530, 4162350542, 10405876355, 20811752710]

約数ペア:

[(1, 20811752710), (2, 10405876355), (5, 4162350542), (7, 2973107530), (10, 2081175271), (14, 1486553765), (35, 594621506), (70, 297310753), (227, 91681730), (454, 45840865), (1135, 18336346), (1589, 13097390), (2270, 9168173), (3178, 6548695), (7945, 2619478), (15890, 1309739)]