20210936690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{49499}}^1$

素因数の和:49839

約数の個数: 64

約数和(自身を含む): 43908480000

約数和(自身を除く): 23697543310

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 307, 614, 665, 1330, 1535, 2149, 3070, 4298, 5833, 10745, 11666, 21490, 29165, 40831, 49499, 58330, 81662, 98998, 204155, 247495, 346493, 408310, 494990, 692986, 940481, 1732465, 1880962, 3464930, 4702405, 6583367, 9404810, 13166734, 15196193, 30392386, 32916835, 65833670, 75980965, 106373351, 151961930, 212746702, 288727667, 531866755, 577455334, 1063733510, 1443638335, 2021093669, 2887276670, 4042187338, 10105468345, 20210936690]

約数ペア:

[(1, 20210936690), (2, 10105468345), (5, 4042187338), (7, 2887276670), (10, 2021093669), (14, 1443638335), (19, 1063733510), (35, 577455334), (38, 531866755), (70, 288727667), (95, 212746702), (133, 151961930), (190, 106373351), (266, 75980965), (307, 65833670), (614, 32916835), (665, 30392386), (1330, 15196193), (1535, 13166734), (2149, 9404810), (3070, 6583367), (4298, 4702405), (5833, 3464930), (10745, 1880962), (11666, 1732465), (21490, 940481), (29165, 692986), (40831, 494990), (49499, 408310), (58330, 346493), (81662, 247495), (98998, 204155)]