20824012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2243}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 39961152

約数和(自身を除く): 19137140

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2243, 2321, 4486, 4642, 8972, 9284, 24673, 49346, 98692, 473273, 946546, 1893092, 5206003, 10412006, 20824012]

約数ペア:

[(1, 20824012), (2, 10412006), (4, 5206003), (11, 1893092), (22, 946546), (44, 473273), (211, 98692), (422, 49346), (844, 24673), (2243, 9284), (2321, 8972), (4486, 4642)]