20261720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{17467}}^1$

素因数の和:17507

約数の個数: 32

約数和(自身を含む): 47163600

約数和(自身を除く): 26901880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 17467, 34934, 69868, 87335, 139736, 174670, 349340, 506543, 698680, 1013086, 2026172, 2532715, 4052344, 5065430, 10130860, 20261720]

約数ペア:

[(1, 20261720), (2, 10130860), (4, 5065430), (5, 4052344), (8, 2532715), (10, 2026172), (20, 1013086), (29, 698680), (40, 506543), (58, 349340), (116, 174670), (145, 139736), (232, 87335), (290, 69868), (580, 34934), (1160, 17467)]