20881068

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{133853}}^1$

素因数の和:133873

約数の個数: 24

約数和(自身を含む): 52470768

約数和(自身を除く): 31589700

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 133853, 267706, 401559, 535412, 803118, 1606236, 1740089, 3480178, 5220267, 6960356, 10440534, 20881068]

約数ペア:

[(1, 20881068), (2, 10440534), (3, 6960356), (4, 5220267), (6, 3480178), (12, 1740089), (13, 1606236), (26, 803118), (39, 535412), (52, 401559), (78, 267706), (156, 133853)]