66012220

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21023}}^1$

素因数の和:21189

約数の個数: 24

約数和(自身を含む): 139515264

約数和(自身を除く): 73503044

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 21023, 42046, 84092, 105115, 210230, 420460, 3300611, 6601222, 13202444, 16503055, 33006110, 66012220]

約数ペア:

[(1, 66012220), (2, 33006110), (4, 16503055), (5, 13202444), (10, 6601222), (20, 3300611), (157, 420460), (314, 210230), (628, 105115), (785, 84092), (1570, 42046), (3140, 21023)]