20901050

素因数分解:

$2^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{3191}}^1$

素因数の和:3334

約数の個数: 24

約数和(自身を含む): 39184992

約数和(自身を除く): 18283942

約数列:

[1, 2, 5, 10, 25, 50, 131, 262, 655, 1310, 3191, 3275, 6382, 6550, 15955, 31910, 79775, 159550, 418021, 836042, 2090105, 4180210, 10450525, 20901050]

約数ペア:

[(1, 20901050), (2, 10450525), (5, 4180210), (10, 2090105), (25, 836042), (50, 418021), (131, 159550), (262, 79775), (655, 31910), (1310, 15955), (3191, 6550), (3275, 6382)]