20442372

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 49304640

約数和(自身を除く): 28862268

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 173, 229, 258, 346, 458, 516, 519, 687, 692, 916, 1038, 1374, 2076, 2748, 7439, 9847, 14878, 19694, 22317, 29541, 29756, 39388, 39617, 44634, 59082, 79234, 89268, 118164, 118851, 158468, 237702, 475404, 1703531, 3407062, 5110593, 6814124, 10221186, 20442372]

約数ペア:

[(1, 20442372), (2, 10221186), (3, 6814124), (4, 5110593), (6, 3407062), (12, 1703531), (43, 475404), (86, 237702), (129, 158468), (172, 118851), (173, 118164), (229, 89268), (258, 79234), (346, 59082), (458, 44634), (516, 39617), (519, 39388), (687, 29756), (692, 29541), (916, 22317), (1038, 19694), (1374, 14878), (2076, 9847), (2748, 7439)]