20903430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7829}}^1$

素因数の和:7928

約数の個数: 32

約数和(自身を含む): 50738400

約数和(自身を除く): 29834970

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 7829, 15658, 23487, 39145, 46974, 78290, 117435, 234870, 696781, 1393562, 2090343, 3483905, 4180686, 6967810, 10451715, 20903430]

約数ペア:

[(1, 20903430), (2, 10451715), (3, 6967810), (5, 4180686), (6, 3483905), (10, 2090343), (15, 1393562), (30, 696781), (89, 234870), (178, 117435), (267, 78290), (445, 46974), (534, 39145), (890, 23487), (1335, 15658), (2670, 7829)]