20013993968

素因数分解:

$2^4\times {\mathrm{1453}}^1\times {\mathrm{860891}}^1$

素因数の和:862352

約数の個数: 20

約数和(自身を含む): 38803846008

約数和(自身を除く): 18789852040

約数列:

[1, 2, 4, 8, 16, 1453, 2906, 5812, 11624, 23248, 860891, 1721782, 3443564, 6887128, 13774256, 1250874623, 2501749246, 5003498492, 10006996984, 20013993968]

約数ペア:

[(1, 20013993968), (2, 10006996984), (4, 5003498492), (8, 2501749246), (16, 1250874623), (1453, 13774256), (2906, 6887128), (5812, 3443564), (11624, 1721782), (23248, 860891)]