20556792

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5387}}^1$

素因数の和:5452

約数の個数: 48

約数和(自身を含む): 56735640

約数和(自身を除く): 36178848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5387, 10774, 16161, 21548, 32322, 43096, 48483, 64644, 96966, 129288, 193932, 285511, 387864, 571022, 856533, 1142044, 1713066, 2284088, 2569599, 3426132, 5139198, 6852264, 10278396, 20556792]

約数ペア:

[(1, 20556792), (2, 10278396), (3, 6852264), (4, 5139198), (6, 3426132), (8, 2569599), (9, 2284088), (12, 1713066), (18, 1142044), (24, 856533), (36, 571022), (53, 387864), (72, 285511), (106, 193932), (159, 129288), (212, 96966), (318, 64644), (424, 48483), (477, 43096), (636, 32322), (954, 21548), (1272, 16161), (1908, 10774), (3816, 5387)]