20958498

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{701}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 49937472

約数和(自身を除く): 28978974

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 151, 198, 302, 453, 701, 906, 1359, 1402, 1661, 2103, 2718, 3322, 4206, 4983, 6309, 7711, 9966, 12618, 14949, 15422, 23133, 29898, 46266, 69399, 105851, 138798, 211702, 317553, 635106, 952659, 1164361, 1905318, 2328722, 3493083, 6986166, 10479249, 20958498]

約数ペア:

[(1, 20958498), (2, 10479249), (3, 6986166), (6, 3493083), (9, 2328722), (11, 1905318), (18, 1164361), (22, 952659), (33, 635106), (66, 317553), (99, 211702), (151, 138798), (198, 105851), (302, 69399), (453, 46266), (701, 29898), (906, 23133), (1359, 15422), (1402, 14949), (1661, 12618), (2103, 9966), (2718, 7711), (3322, 6309), (4206, 4983)]