20040501

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 30820608

約数和(自身を除く): 10780107

約数列:

[1, 3, 13, 17, 39, 51, 167, 181, 221, 501, 543, 663, 2171, 2353, 2839, 3077, 6513, 7059, 8517, 9231, 30227, 36907, 40001, 90681, 110721, 120003, 392951, 513859, 1178853, 1541577, 6680167, 20040501]

約数ペア:

[(1, 20040501), (3, 6680167), (13, 1541577), (17, 1178853), (39, 513859), (51, 392951), (167, 120003), (181, 110721), (221, 90681), (501, 40001), (543, 36907), (663, 30227), (2171, 9231), (2353, 8517), (2839, 7059), (3077, 6513)]