20199963812

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1\times {\mathrm{43207}}^1$

素因数の和:43560

約数の個数: 48

約数和(自身を含む): 41230801920

約数和(自身を除く): 21030838108

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 283, 413, 566, 826, 1132, 1652, 1981, 3962, 7924, 16697, 33394, 43207, 66788, 86414, 116879, 172828, 233758, 302449, 467516, 604898, 1209796, 2549213, 5098426, 10196852, 12227581, 17844491, 24455162, 35688982, 48910324, 71377964, 85593067, 171186134, 342372268, 721427279, 1442854558, 2885709116, 5049990953, 10099981906, 20199963812]

約数ペア:

[(1, 20199963812), (2, 10099981906), (4, 5049990953), (7, 2885709116), (14, 1442854558), (28, 721427279), (59, 342372268), (118, 171186134), (236, 85593067), (283, 71377964), (413, 48910324), (566, 35688982), (826, 24455162), (1132, 17844491), (1652, 12227581), (1981, 10196852), (3962, 5098426), (7924, 2549213), (16697, 1209796), (33394, 604898), (43207, 467516), (66788, 302449), (86414, 233758), (116879, 172828)]