20647434

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:486

約数の個数: 32

約数和(自身を含む): 42166080

約数和(自身を除く): 21518646

約数列:

[1, 2, 3, 6, 109, 131, 218, 241, 262, 327, 393, 482, 654, 723, 786, 1446, 14279, 26269, 28558, 31571, 42837, 52538, 63142, 78807, 85674, 94713, 157614, 189426, 3441239, 6882478, 10323717, 20647434]

約数ペア:

[(1, 20647434), (2, 10323717), (3, 6882478), (6, 3441239), (109, 189426), (131, 157614), (218, 94713), (241, 85674), (262, 78807), (327, 63142), (393, 52538), (482, 42837), (654, 31571), (723, 28558), (786, 26269), (1446, 14279)]