20265284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1847}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 38394048

約数和(自身を除く): 18128764

約数列:

[1, 2, 4, 13, 26, 52, 211, 422, 844, 1847, 2743, 3694, 5486, 7388, 10972, 24011, 48022, 96044, 389717, 779434, 1558868, 5066321, 10132642, 20265284]

約数ペア:

[(1, 20265284), (2, 10132642), (4, 5066321), (13, 1558868), (26, 779434), (52, 389717), (211, 96044), (422, 48022), (844, 24011), (1847, 10972), (2743, 7388), (3694, 5486)]