31069540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{91381}}^1$

素因数の和:91407

約数の個数: 24

約数和(自身を含む): 69084792

約数和(自身を除く): 38015252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 91381, 182762, 365524, 456905, 913810, 1553477, 1827620, 3106954, 6213908, 7767385, 15534770, 31069540]

約数ペア:

[(1, 31069540), (2, 15534770), (4, 7767385), (5, 6213908), (10, 3106954), (17, 1827620), (20, 1553477), (34, 913810), (68, 456905), (85, 365524), (170, 182762), (340, 91381)]