20145707216

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{1451}}^1\times {\mathrm{11887}}^1$

素因数の和:13419

約数の個数: 40

約数和(自身を含む): 39597596544

約数和(自身を除く): 19451889328

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 1451, 2902, 5804, 11608, 11887, 23216, 23774, 47548, 95096, 105923, 190192, 211846, 423692, 847384, 867751, 1694768, 1735502, 3471004, 6942008, 13884016, 17248037, 34496074, 68992148, 137984296, 275968592, 1259106701, 2518213402, 5036426804, 10072853608, 20145707216]

約数ペア:

[(1, 20145707216), (2, 10072853608), (4, 5036426804), (8, 2518213402), (16, 1259106701), (73, 275968592), (146, 137984296), (292, 68992148), (584, 34496074), (1168, 17248037), (1451, 13884016), (2902, 6942008), (5804, 3471004), (11608, 1735502), (11887, 1694768), (23216, 867751), (23774, 847384), (47548, 423692), (95096, 211846), (105923, 190192)]