20827834565

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{206923}}^1$

素因数の和:207460

約数の個数: 16

約数和(自身を含む): 25655265216

約数和(自身を除く): 4827430651

約数列:

[1, 5, 41, 205, 491, 2455, 20131, 100655, 206923, 1034615, 8483843, 42419215, 101599193, 507995965, 4165566913, 20827834565]

約数ペア:

[(1, 20827834565), (5, 4165566913), (41, 507995965), (205, 101599193), (491, 42419215), (2455, 8483843), (20131, 1034615), (100655, 206923)]