20805921878

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{146837}}^1$

素因数の和:147224

約数の個数: 32

約数和(自身を含む): 37003176000

約数和(自身を除く): 16197254122

約数列:

[1, 2, 7, 14, 29, 58, 203, 349, 406, 698, 2443, 4886, 10121, 20242, 70847, 141694, 146837, 293674, 1027859, 2055718, 4258273, 8516546, 29807911, 51246113, 59615822, 102492226, 358722791, 717445582, 1486137277, 2972274554, 10402960939, 20805921878]

約数ペア:

[(1, 20805921878), (2, 10402960939), (7, 2972274554), (14, 1486137277), (29, 717445582), (58, 358722791), (203, 102492226), (349, 59615822), (406, 51246113), (698, 29807911), (2443, 8516546), (4886, 4258273), (10121, 2055718), (20242, 1027859), (70847, 293674), (141694, 146837)]