20964645

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35837}}^1$

素因数の和:35861

約数の個数: 24

約数和(自身を含む): 39135096

約数和(自身を除く): 18170451

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35837, 107511, 179185, 322533, 465881, 537555, 1397643, 1612665, 2329405, 4192929, 6988215, 20964645]

約数ペア:

[(1, 20964645), (3, 6988215), (5, 4192929), (9, 2329405), (13, 1612665), (15, 1397643), (39, 537555), (45, 465881), (65, 322533), (117, 179185), (195, 107511), (585, 35837)]