20111322

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 50761728

約数和(自身を除く): 30650406

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 101, 154, 202, 231, 303, 431, 462, 606, 707, 862, 1111, 1293, 1414, 2121, 2222, 2586, 3017, 3333, 4242, 4741, 6034, 6666, 7777, 9051, 9482, 14223, 15554, 18102, 23331, 28446, 33187, 43531, 46662, 66374, 87062, 99561, 130593, 199122, 261186, 304717, 478841, 609434, 914151, 957682, 1436523, 1828302, 2873046, 3351887, 6703774, 10055661, 20111322]

約数ペア:

[(1, 20111322), (2, 10055661), (3, 6703774), (6, 3351887), (7, 2873046), (11, 1828302), (14, 1436523), (21, 957682), (22, 914151), (33, 609434), (42, 478841), (66, 304717), (77, 261186), (101, 199122), (154, 130593), (202, 99561), (231, 87062), (303, 66374), (431, 46662), (462, 43531), (606, 33187), (707, 28446), (862, 23331), (1111, 18102), (1293, 15554), (1414, 14223), (2121, 9482), (2222, 9051), (2586, 7777), (3017, 6666), (3333, 6034), (4242, 4741)]