20311928

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27901}}^1$

素因数の和:27927

約数の個数: 32

約数和(自身を含む): 46875360

約数和(自身を除く): 26563432

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27901, 55802, 111604, 195307, 223208, 362713, 390614, 725426, 781228, 1450852, 1562456, 2538991, 2901704, 5077982, 10155964, 20311928]

約数ペア:

[(1, 20311928), (2, 10155964), (4, 5077982), (7, 2901704), (8, 2538991), (13, 1562456), (14, 1450852), (26, 781228), (28, 725426), (52, 390614), (56, 362713), (91, 223208), (104, 195307), (182, 111604), (364, 55802), (728, 27901)]