20549830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15451}}^1$

素因数の和:15484

約数の個数: 32

約数和(自身を含む): 44501760

約数和(自身を除く): 23951930

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15451, 30902, 77255, 108157, 154510, 216314, 293569, 540785, 587138, 1081570, 1467845, 2054983, 2935690, 4109966, 10274915, 20549830]

約数ペア:

[(1, 20549830), (2, 10274915), (5, 4109966), (7, 2935690), (10, 2054983), (14, 1467845), (19, 1081570), (35, 587138), (38, 540785), (70, 293569), (95, 216314), (133, 154510), (190, 108157), (266, 77255), (665, 30902), (1330, 15451)]