20858664

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{12241}}^1$

素因数の和:12321

約数の個数: 32

約数和(自身を含む): 52885440

約数和(自身を除く): 32026776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 12241, 24482, 36723, 48964, 73446, 97928, 146892, 293784, 869111, 1738222, 2607333, 3476444, 5214666, 6952888, 10429332, 20858664]

約数ペア:

[(1, 20858664), (2, 10429332), (3, 6952888), (4, 5214666), (6, 3476444), (8, 2607333), (12, 1738222), (24, 869111), (71, 293784), (142, 146892), (213, 97928), (284, 73446), (426, 48964), (568, 36723), (852, 24482), (1704, 12241)]