202466990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20681}}^1$

素因数の和:20788

約数の個数: 32

約数和(自身を含む): 402058080

約数和(自身を除く): 199591090

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 20681, 41362, 103405, 206810, 227491, 454982, 1137455, 1840609, 2274910, 3681218, 9203045, 18406090, 20246699, 40493398, 101233495, 202466990]

約数ペア:

[(1, 202466990), (2, 101233495), (5, 40493398), (10, 20246699), (11, 18406090), (22, 9203045), (55, 3681218), (89, 2274910), (110, 1840609), (178, 1137455), (445, 454982), (890, 227491), (979, 206810), (1958, 103405), (4895, 41362), (9790, 20681)]