20091781134

素因数分解:

$2^1\times 3^3\times {\mathrm{643}}^1\times {\mathrm{578647}}^1$

素因数の和:579301

約数の個数: 32

約数和(自身を含む): 44717917440

約数和(自身を除く): 24626136306

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 643, 1286, 1929, 3858, 5787, 11574, 17361, 34722, 578647, 1157294, 1735941, 3471882, 5207823, 10415646, 15623469, 31246938, 372070021, 744140042, 1116210063, 2232420126, 3348630189, 6697260378, 10045890567, 20091781134]

約数ペア:

[(1, 20091781134), (2, 10045890567), (3, 6697260378), (6, 3348630189), (9, 2232420126), (18, 1116210063), (27, 744140042), (54, 372070021), (643, 31246938), (1286, 15623469), (1929, 10415646), (3858, 5207823), (5787, 3471882), (11574, 1735941), (17361, 1157294), (34722, 578647)]