20215426

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{881}}^1$

素因数の和:1050

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 17886974

約数列:

[1, 2, 7, 11, 14, 22, 77, 149, 154, 298, 881, 1043, 1639, 1762, 2086, 3278, 6167, 9691, 11473, 12334, 19382, 22946, 67837, 131269, 135674, 262538, 918883, 1443959, 1837766, 2887918, 10107713, 20215426]

約数ペア:

[(1, 20215426), (2, 10107713), (7, 2887918), (11, 1837766), (14, 1443959), (22, 918883), (77, 262538), (149, 135674), (154, 131269), (298, 67837), (881, 22946), (1043, 19382), (1639, 12334), (1762, 11473), (2086, 9691), (3278, 6167)]