20228684

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{311}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 42771456

約数和(自身を除く): 22542772

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 101, 161, 202, 311, 322, 404, 622, 644, 707, 1244, 1414, 2177, 2323, 2828, 4354, 4646, 7153, 8708, 9292, 14306, 16261, 28612, 31411, 32522, 50071, 62822, 65044, 100142, 125644, 200284, 219877, 439754, 722453, 879508, 1444906, 2889812, 5057171, 10114342, 20228684]

約数ペア:

[(1, 20228684), (2, 10114342), (4, 5057171), (7, 2889812), (14, 1444906), (23, 879508), (28, 722453), (46, 439754), (92, 219877), (101, 200284), (161, 125644), (202, 100142), (311, 65044), (322, 62822), (404, 50071), (622, 32522), (644, 31411), (707, 28612), (1244, 16261), (1414, 14306), (2177, 9292), (2323, 8708), (2828, 7153), (4354, 4646)]