20966747

素因数分解:

${\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 23016960

約数和(自身を除く): 2050213

約数列:

[1, 19, 47, 53, 443, 893, 1007, 2491, 8417, 20821, 23479, 47329, 395599, 446101, 1103513, 20966747]

約数ペア:

[(1, 20966747), (19, 1103513), (47, 446101), (53, 395599), (443, 47329), (893, 23479), (1007, 20821), (2491, 8417)]