20422245

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{547}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 34721280

約数和(自身を除く): 14299035

約数列:

[1, 3, 5, 15, 19, 57, 95, 131, 285, 393, 547, 655, 1641, 1965, 2489, 2735, 7467, 8205, 10393, 12445, 31179, 37335, 51965, 71657, 155895, 214971, 358285, 1074855, 1361483, 4084449, 6807415, 20422245]

約数ペア:

[(1, 20422245), (3, 6807415), (5, 4084449), (15, 1361483), (19, 1074855), (57, 358285), (95, 214971), (131, 155895), (285, 71657), (393, 51965), (547, 37335), (655, 31179), (1641, 12445), (1965, 10393), (2489, 8205), (2735, 7467)]