20009218

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{1733}}^1$

素因数の和:2009

約数の個数: 16

約数和(自身を含む): 31461696

約数和(自身を除く): 11452478

約数列:

[1, 2, 23, 46, 251, 502, 1733, 3466, 5773, 11546, 39859, 79718, 434983, 869966, 10004609, 20009218]

約数ペア:

[(1, 20009218), (2, 10004609), (23, 869966), (46, 434983), (251, 79718), (502, 39859), (1733, 11546), (3466, 5773)]