13720360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20177}}^1$

素因数の和:20205

約数の個数: 32

約数和(自身を含む): 32688360

約数和(自身を除く): 18968000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 20177, 40354, 80708, 100885, 161416, 201770, 343009, 403540, 686018, 807080, 1372036, 1715045, 2744072, 3430090, 6860180, 13720360]

約数ペア:

[(1, 13720360), (2, 6860180), (4, 3430090), (5, 2744072), (8, 1715045), (10, 1372036), (17, 807080), (20, 686018), (34, 403540), (40, 343009), (68, 201770), (85, 161416), (136, 100885), (170, 80708), (340, 40354), (680, 20177)]