20411794

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8821}}^1$

素因数の和:8925

約数の個数: 16

約数和(自身を含む): 33347160

約数和(自身を除く): 12935366

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8821, 17642, 114673, 229346, 785069, 1570138, 10205897, 20411794]

約数ペア:

[(1, 20411794), (2, 10205897), (13, 1570138), (26, 785069), (89, 229346), (178, 114673), (1157, 17642), (2314, 8821)]