20524244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 40463808

約数和(自身を除く): 19939564

約数列:

[1, 2, 4, 13, 26, 43, 52, 67, 86, 134, 137, 172, 268, 274, 548, 559, 871, 1118, 1742, 1781, 2236, 2881, 3484, 3562, 5762, 5891, 7124, 9179, 11524, 11782, 18358, 23564, 36716, 37453, 74906, 76583, 119327, 149812, 153166, 238654, 306332, 394697, 477308, 789394, 1578788, 5131061, 10262122, 20524244]

約数ペア:

[(1, 20524244), (2, 10262122), (4, 5131061), (13, 1578788), (26, 789394), (43, 477308), (52, 394697), (67, 306332), (86, 238654), (134, 153166), (137, 149812), (172, 119327), (268, 76583), (274, 74906), (548, 37453), (559, 36716), (871, 23564), (1118, 18358), (1742, 11782), (1781, 11524), (2236, 9179), (2881, 7124), (3484, 5891), (3562, 5762)]