15243820

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4211}}^1$

素因数の和:4401

約数の個数: 24

約数和(自身を含む): 32196528

約数和(自身を除く): 16952708

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 4211, 8422, 16844, 21055, 42110, 84220, 762191, 1524382, 3048764, 3810955, 7621910, 15243820]

約数ペア:

[(1, 15243820), (2, 7621910), (4, 3810955), (5, 3048764), (10, 1524382), (20, 762191), (181, 84220), (362, 42110), (724, 21055), (905, 16844), (1810, 8422), (3620, 4211)]