20259772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2333}}^1$

素因数の和:2517

約数の個数: 24

約数和(自身を含む): 38426976

約数和(自身を除く): 18167204

約数列:

[1, 2, 4, 13, 26, 52, 167, 334, 668, 2171, 2333, 4342, 4666, 8684, 9332, 30329, 60658, 121316, 389611, 779222, 1558444, 5064943, 10129886, 20259772]

約数ペア:

[(1, 20259772), (2, 10129886), (4, 5064943), (13, 1558444), (26, 779222), (52, 389611), (167, 121316), (334, 60658), (668, 30329), (2171, 9332), (2333, 8684), (4342, 4666)]