20941908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{134243}}^1$

素因数の和:134263

約数の個数: 24

約数和(自身を含む): 52623648

約数和(自身を除く): 31681740

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 134243, 268486, 402729, 536972, 805458, 1610916, 1745159, 3490318, 5235477, 6980636, 10470954, 20941908]

約数ペア:

[(1, 20941908), (2, 10470954), (3, 6980636), (4, 5235477), (6, 3490318), (12, 1745159), (13, 1610916), (26, 805458), (39, 536972), (52, 402729), (78, 268486), (156, 134243)]