20503977

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12823}}^1$

素因数の和:12880

約数の個数: 16

約数和(自身を含む): 30162048

約数和(自身を除く): 9658071

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12823, 38469, 166699, 500097, 525743, 1577229, 6834659, 20503977]

約数ペア:

[(1, 20503977), (3, 6834659), (13, 1577229), (39, 525743), (41, 500097), (123, 166699), (533, 38469), (1599, 12823)]