20005974015

素因数分解:

$3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1483}}^1\times {\mathrm{2003}}^1$

素因数の和:3943

約数の個数: 32

約数和(自身を含む): 32118508800

約数和(自身を除く): 12112534785

約数列:

[1, 3, 5, 15, 449, 1347, 1483, 2003, 2245, 4449, 6009, 6735, 7415, 10015, 22245, 30045, 665867, 899347, 1997601, 2698041, 2970449, 3329335, 4496735, 8911347, 9988005, 13490205, 14852245, 44556735, 1333731601, 4001194803, 6668658005, 20005974015]

約数ペア:

[(1, 20005974015), (3, 6668658005), (5, 4001194803), (15, 1333731601), (449, 44556735), (1347, 14852245), (1483, 13490205), (2003, 9988005), (2245, 8911347), (4449, 4496735), (6009, 3329335), (6735, 2970449), (7415, 2698041), (10015, 1997601), (22245, 899347), (30045, 665867)]