20540280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{171169}}^1$

素因数の和:171183

約数の個数: 32

約数和(自身を含む): 61621200

約数和(自身を除く): 41080920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 171169, 342338, 513507, 684676, 855845, 1027014, 1369352, 1711690, 2054028, 2567535, 3423380, 4108056, 5135070, 6846760, 10270140, 20540280]

約数ペア:

[(1, 20540280), (2, 10270140), (3, 6846760), (4, 5135070), (5, 4108056), (6, 3423380), (8, 2567535), (10, 2054028), (12, 1711690), (15, 1369352), (20, 1027014), (24, 855845), (30, 684676), (40, 513507), (60, 342338), (120, 171169)]