20255032

素因数分解:

$2^3\times 7^2\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 44589960

約数和(自身を除く): 24334928

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 163, 196, 317, 326, 392, 634, 652, 1141, 1268, 1304, 2219, 2282, 2536, 4438, 4564, 7987, 8876, 9128, 15533, 15974, 17752, 31066, 31948, 51671, 62132, 63896, 103342, 124264, 206684, 361697, 413368, 723394, 1446788, 2531879, 2893576, 5063758, 10127516, 20255032]

約数ペア:

[(1, 20255032), (2, 10127516), (4, 5063758), (7, 2893576), (8, 2531879), (14, 1446788), (28, 723394), (49, 413368), (56, 361697), (98, 206684), (163, 124264), (196, 103342), (317, 63896), (326, 62132), (392, 51671), (634, 31948), (652, 31066), (1141, 17752), (1268, 15974), (1304, 15533), (2219, 9128), (2282, 8876), (2536, 7987), (4438, 4564)]