20815312

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5023}}^1$

素因数の和:5075

約数の個数: 40

約数和(自身を含む): 47346176

約数和(自身を除く): 26530864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 5023, 10046, 20092, 35161, 40184, 70322, 80368, 140644, 185851, 281288, 371702, 562576, 743404, 1300957, 1486808, 2601914, 2973616, 5203828, 10407656, 20815312]

約数ペア:

[(1, 20815312), (2, 10407656), (4, 5203828), (7, 2973616), (8, 2601914), (14, 1486808), (16, 1300957), (28, 743404), (37, 562576), (56, 371702), (74, 281288), (112, 185851), (148, 140644), (259, 80368), (296, 70322), (518, 40184), (592, 35161), (1036, 20092), (2072, 10046), (4144, 5023)]