20724696

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5431}}^1$

素因数の和:5496

約数の個数: 48

約数和(自身を含む): 57198960

約数和(自身を除く): 36474264

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, 5431, 10862, 16293, 21724, 32586, 43448, 48879, 65172, 97758, 130344, 195516, 287843, 391032, 575686, 863529, 1151372, 1727058, 2302744, 2590587, 3454116, 5181174, 6908232, 10362348, 20724696]

約数ペア:

[(1, 20724696), (2, 10362348), (3, 6908232), (4, 5181174), (6, 3454116), (8, 2590587), (9, 2302744), (12, 1727058), (18, 1151372), (24, 863529), (36, 575686), (53, 391032), (72, 287843), (106, 195516), (159, 130344), (212, 97758), (318, 65172), (424, 48879), (477, 43448), (636, 32586), (954, 21724), (1272, 16293), (1908, 10862), (3816, 5431)]