20471370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5209}}^1$

素因数の和:5350

約数の個数: 32

約数和(自身を含む): 49515840

約数和(自身を除く): 29044470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5209, 10418, 15627, 26045, 31254, 52090, 78135, 156270, 682379, 1364758, 2047137, 3411895, 4094274, 6823790, 10235685, 20471370]

約数ペア:

[(1, 20471370), (2, 10235685), (3, 6823790), (5, 4094274), (6, 3411895), (10, 2047137), (15, 1364758), (30, 682379), (131, 156270), (262, 78135), (393, 52090), (655, 31254), (786, 26045), (1310, 15627), (1965, 10418), (3930, 5209)]