6661220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4691}}^1$

素因数の和:4771

約数の個数: 24

約数和(自身を含む): 14188608

約数和(自身を除く): 7527388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 4691, 9382, 18764, 23455, 46910, 93820, 333061, 666122, 1332244, 1665305, 3330610, 6661220]

約数ペア:

[(1, 6661220), (2, 3330610), (4, 1665305), (5, 1332244), (10, 666122), (20, 333061), (71, 93820), (142, 46910), (284, 23455), (355, 18764), (710, 9382), (1420, 4691)]