20106922655

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1\times {\mathrm{1571}}^1$

素因数の和:2239

約数の個数: 32

約数和(自身を含む): 24936698880

約数和(自身を除く): 4829776225

約数列:

[1, 5, 47, 107, 235, 509, 535, 1571, 2545, 5029, 7855, 23923, 25145, 54463, 73837, 119615, 168097, 272315, 369185, 799639, 840485, 2559761, 3998195, 7900559, 12798805, 37583033, 39502795, 85561373, 187915165, 427806865, 4021384531, 20106922655]

約数ペア:

[(1, 20106922655), (5, 4021384531), (47, 427806865), (107, 187915165), (235, 85561373), (509, 39502795), (535, 37583033), (1571, 12798805), (2545, 7900559), (5029, 3998195), (7855, 2559761), (23923, 840485), (25145, 799639), (54463, 369185), (73837, 272315), (119615, 168097)]