20178587547

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{1949}}^1\times {\mathrm{31091}}^1$

素因数の和:33083

約数の個数: 24

約数和(自身を含む): 29950923600

約数和(自身を除く): 9772336053

約数列:

[1, 3, 9, 37, 111, 333, 1949, 5847, 17541, 31091, 72113, 93273, 216339, 279819, 649017, 1150367, 3451101, 10353303, 60596359, 181789077, 545367231, 2242065283, 6726195849, 20178587547]

約数ペア:

[(1, 20178587547), (3, 6726195849), (9, 2242065283), (37, 545367231), (111, 181789077), (333, 60596359), (1949, 10353303), (5847, 3451101), (17541, 1150367), (31091, 649017), (72113, 279819), (93273, 216339)]