20291925

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6599}}^1$

素因数の和:6653

約数の個数: 24

約数和(自身を含む): 34372800

約数和(自身を除く): 14080875

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 6599, 19797, 32995, 98985, 164975, 270559, 494925, 811677, 1352795, 4058385, 6763975, 20291925]

約数ペア:

[(1, 20291925), (3, 6763975), (5, 4058385), (15, 1352795), (25, 811677), (41, 494925), (75, 270559), (123, 164975), (205, 98985), (615, 32995), (1025, 19797), (3075, 6599)]