20185596819

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{7829}}^1$

素因数の和:8209

約数の個数: 40

約数和(自身を含む): 30507246000

約数和(自身を除く): 10321649181

約数列:

[1, 3, 9, 27, 81, 139, 229, 417, 687, 1251, 2061, 3753, 6183, 7829, 11259, 18549, 23487, 31831, 70461, 95493, 211383, 286479, 634149, 859437, 1088231, 1792841, 2578311, 3264693, 5378523, 9794079, 16135569, 29382237, 48406707, 88146711, 145220121, 249204899, 747614697, 2242844091, 6728532273, 20185596819]

約数ペア:

[(1, 20185596819), (3, 6728532273), (9, 2242844091), (27, 747614697), (81, 249204899), (139, 145220121), (229, 88146711), (417, 48406707), (687, 29382237), (1251, 16135569), (2061, 9794079), (3753, 5378523), (6183, 3264693), (7829, 2578311), (11259, 1792841), (18549, 1088231), (23487, 859437), (31831, 634149), (70461, 286479), (95493, 211383)]