20702906

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2414

約数の個数: 32

約数和(自身を含む): 38610432

約数和(自身を除く): 17907526

約数列:

[1, 2, 7, 14, 17, 34, 37, 74, 119, 238, 259, 518, 629, 1258, 2351, 4403, 4702, 8806, 16457, 32914, 39967, 79934, 86987, 173974, 279769, 559538, 608909, 1217818, 1478779, 2957558, 10351453, 20702906]

約数ペア:

[(1, 20702906), (2, 10351453), (7, 2957558), (14, 1478779), (17, 1217818), (34, 608909), (37, 559538), (74, 279769), (119, 173974), (238, 86987), (259, 79934), (518, 39967), (629, 32914), (1258, 16457), (2351, 8806), (4403, 4702)]