20137658540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{101531}}^1$

素因数の和:101798

約数の個数: 48

約数和(自身を含む): 43393964544

約数和(自身を除く): 23256306004

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 211, 235, 422, 470, 844, 940, 1055, 2110, 4220, 9917, 19834, 39668, 49585, 99170, 101531, 198340, 203062, 406124, 507655, 1015310, 2030620, 4771957, 9543914, 19087828, 21423041, 23859785, 42846082, 47719570, 85692164, 95439140, 107115205, 214230410, 428460820, 1006882927, 2013765854, 4027531708, 5034414635, 10068829270, 20137658540]

約数ペア:

[(1, 20137658540), (2, 10068829270), (4, 5034414635), (5, 4027531708), (10, 2013765854), (20, 1006882927), (47, 428460820), (94, 214230410), (188, 107115205), (211, 95439140), (235, 85692164), (422, 47719570), (470, 42846082), (844, 23859785), (940, 21423041), (1055, 19087828), (2110, 9543914), (4220, 4771957), (9917, 2030620), (19834, 1015310), (39668, 507655), (49585, 406124), (99170, 203062), (101531, 198340)]