20172039280

素因数分解:

$2^4\times 5^1\times {\mathrm{6427}}^1\times {\mathrm{39233}}^1$

素因数の和:45673

約数の個数: 40

約数和(自身を含む): 46908484272

約数和(自身を除く): 26736444992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 6427, 12854, 25708, 32135, 39233, 51416, 64270, 78466, 102832, 128540, 156932, 196165, 257080, 313864, 392330, 514160, 627728, 784660, 1569320, 3138640, 252150491, 504300982, 1008601964, 1260752455, 2017203928, 2521504910, 4034407856, 5043009820, 10086019640, 20172039280]

約数ペア:

[(1, 20172039280), (2, 10086019640), (4, 5043009820), (5, 4034407856), (8, 2521504910), (10, 2017203928), (16, 1260752455), (20, 1008601964), (40, 504300982), (80, 252150491), (6427, 3138640), (12854, 1569320), (25708, 784660), (32135, 627728), (39233, 514160), (51416, 392330), (64270, 313864), (78466, 257080), (102832, 196165), (128540, 156932)]