20319579

素因数分解:

$3^4\times 7^1\times {\mathrm{35837}}^1$

素因数の和:35856

約数の個数: 20

約数和(自身を含む): 34691184

約数和(自身を除く): 14371605

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 35837, 107511, 250859, 322533, 752577, 967599, 2257731, 2902797, 6773193, 20319579]

約数ペア:

[(1, 20319579), (3, 6773193), (7, 2902797), (9, 2257731), (21, 967599), (27, 752577), (63, 322533), (81, 250859), (189, 107511), (567, 35837)]