20633210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:483

約数の個数: 48

約数和(自身を含む): 41702040

約数和(自身を除く): 21068830

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 169, 290, 338, 377, 421, 754, 842, 845, 1690, 1885, 2105, 3770, 4210, 4901, 5473, 9802, 10946, 12209, 24418, 24505, 27365, 49010, 54730, 61045, 71149, 122090, 142298, 158717, 317434, 355745, 711490, 793585, 1587170, 2063321, 4126642, 10316605, 20633210]

約数ペア:

[(1, 20633210), (2, 10316605), (5, 4126642), (10, 2063321), (13, 1587170), (26, 793585), (29, 711490), (58, 355745), (65, 317434), (130, 158717), (145, 142298), (169, 122090), (290, 71149), (338, 61045), (377, 54730), (421, 49010), (754, 27365), (842, 24505), (845, 24418), (1690, 12209), (1885, 10946), (2105, 9802), (3770, 5473), (4210, 4901)]