20101664560

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1600451}}^1$

素因数の和:1600621

約数の個数: 40

約数和(自身を含む): 47034083376

約数和(自身を除く): 26932418816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 628, 785, 1256, 1570, 2512, 3140, 6280, 12560, 1600451, 3200902, 6401804, 8002255, 12803608, 16004510, 25607216, 32009020, 64018040, 128036080, 251270807, 502541614, 1005083228, 1256354035, 2010166456, 2512708070, 4020332912, 5025416140, 10050832280, 20101664560]

約数ペア:

[(1, 20101664560), (2, 10050832280), (4, 5025416140), (5, 4020332912), (8, 2512708070), (10, 2010166456), (16, 1256354035), (20, 1005083228), (40, 502541614), (80, 251270807), (157, 128036080), (314, 64018040), (628, 32009020), (785, 25607216), (1256, 16004510), (1570, 12803608), (2512, 8002255), (3140, 6401804), (6280, 3200902), (12560, 1600451)]