20408364224

素因数分解:

$2^6\times {\mathrm{251}}^1\times {\mathrm{1270441}}^1$

素因数の和:1270704

約数の個数: 28

約数和(自身を含む): 40659225768

約数和(自身を除く): 20250861544

約数列:

[1, 2, 4, 8, 16, 32, 64, 251, 502, 1004, 2008, 4016, 8032, 16064, 1270441, 2540882, 5081764, 10163528, 20327056, 40654112, 81308224, 318880691, 637761382, 1275522764, 2551045528, 5102091056, 10204182112, 20408364224]

約数ペア:

[(1, 20408364224), (2, 10204182112), (4, 5102091056), (8, 2551045528), (16, 1275522764), (32, 637761382), (64, 318880691), (251, 81308224), (502, 40654112), (1004, 20327056), (2008, 10163528), (4016, 5081764), (8032, 2540882), (16064, 1270441)]