20907117

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{30169}}^1$

素因数の和:30193

約数の個数: 24

約数和(自身を含む): 37652160

約数和(自身を除く): 16745043

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 30169, 90507, 211183, 271521, 331859, 633549, 995577, 1900647, 2323013, 2986731, 6969039, 20907117]

約数ペア:

[(1, 20907117), (3, 6969039), (7, 2986731), (9, 2323013), (11, 1900647), (21, 995577), (33, 633549), (63, 331859), (77, 271521), (99, 211183), (231, 90507), (693, 30169)]