20958852

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 51064832

約数和(自身を除く): 30105980

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 103, 124, 186, 206, 309, 372, 412, 547, 618, 1094, 1236, 1641, 2188, 3193, 3282, 6386, 6564, 9579, 12772, 16957, 19158, 33914, 38316, 50871, 56341, 67828, 101742, 112682, 169023, 203484, 225364, 338046, 676092, 1746571, 3493142, 5239713, 6986284, 10479426, 20958852]

約数ペア:

[(1, 20958852), (2, 10479426), (3, 6986284), (4, 5239713), (6, 3493142), (12, 1746571), (31, 676092), (62, 338046), (93, 225364), (103, 203484), (124, 169023), (186, 112682), (206, 101742), (309, 67828), (372, 56341), (412, 50871), (547, 38316), (618, 33914), (1094, 19158), (1236, 16957), (1641, 12772), (2188, 9579), (3193, 6564), (3282, 6386)]