20684728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{1423}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 41011200

約数和(自身を除く): 20326472

約数列:

[1, 2, 4, 8, 23, 46, 79, 92, 158, 184, 316, 632, 1423, 1817, 2846, 3634, 5692, 7268, 11384, 14536, 32729, 65458, 112417, 130916, 224834, 261832, 449668, 899336, 2585591, 5171182, 10342364, 20684728]

約数ペア:

[(1, 20684728), (2, 10342364), (4, 5171182), (8, 2585591), (23, 899336), (46, 449668), (79, 261832), (92, 224834), (158, 130916), (184, 112417), (316, 65458), (632, 32729), (1423, 14536), (1817, 11384), (2846, 7268), (3634, 5692)]