20541618

素因数分解:

$2^1\times 3^2\times {\mathrm{563}}^1\times {\mathrm{2027}}^1$

素因数の和:2598

約数の個数: 24

約数和(自身を含む): 44607888

約数和(自身を除く): 24066270

約数列:

[1, 2, 3, 6, 9, 18, 563, 1126, 1689, 2027, 3378, 4054, 5067, 6081, 10134, 12162, 18243, 36486, 1141201, 2282402, 3423603, 6847206, 10270809, 20541618]

約数ペア:

[(1, 20541618), (2, 10270809), (3, 6847206), (6, 3423603), (9, 2282402), (18, 1141201), (563, 36486), (1126, 18243), (1689, 12162), (2027, 10134), (3378, 6081), (4054, 5067)]