20248064

素因数分解:

$2^9\times {\mathrm{71}}^1\times {\mathrm{557}}^1$

素因数の和:646

約数の個数: 40

約数和(自身を含む): 41100048

約数和(自身を除く): 20851984

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 256, 284, 512, 557, 568, 1114, 1136, 2228, 2272, 4456, 4544, 8912, 9088, 17824, 18176, 35648, 36352, 39547, 71296, 79094, 142592, 158188, 285184, 316376, 632752, 1265504, 2531008, 5062016, 10124032, 20248064]

約数ペア:

[(1, 20248064), (2, 10124032), (4, 5062016), (8, 2531008), (16, 1265504), (32, 632752), (64, 316376), (71, 285184), (128, 158188), (142, 142592), (256, 79094), (284, 71296), (512, 39547), (557, 36352), (568, 35648), (1114, 18176), (1136, 17824), (2228, 9088), (2272, 8912), (4456, 4544)]