17321840

素因数分解:

$2^4\times 5^1\times {\mathrm{216523}}^1$

素因数の和:216536

約数の個数: 20

約数和(自身を含む): 40273464

約数和(自身を除く): 22951624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 216523, 433046, 866092, 1082615, 1732184, 2165230, 3464368, 4330460, 8660920, 17321840]

約数ペア:

[(1, 17321840), (2, 8660920), (4, 4330460), (5, 3464368), (8, 2165230), (10, 1732184), (16, 1082615), (20, 866092), (40, 433046), (80, 216523)]