20123351635

素因数分解:

$5^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:1075

約数の個数: 32

約数和(自身を含む): 24556105728

約数和(自身を除く): 4432754093

約数列:

[1, 5, 163, 223, 263, 421, 815, 1115, 1315, 2105, 36349, 42869, 58649, 68623, 93883, 110723, 181745, 214345, 293245, 343115, 469415, 553615, 9559787, 15302929, 18047849, 24691229, 47798935, 76514645, 90239245, 123456145, 4024670327, 20123351635]

約数ペア:

[(1, 20123351635), (5, 4024670327), (163, 123456145), (223, 90239245), (263, 76514645), (421, 47798935), (815, 24691229), (1115, 18047849), (1315, 15302929), (2105, 9559787), (36349, 553615), (42869, 469415), (58649, 343115), (68623, 293245), (93883, 214345), (110723, 181745)]