20205122465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{21283}}^1$

素因数の和:21761

約数の個数: 32

約数和(自身を含む): 27161108352

約数和(自身を除く): 6955985887

約数列:

[1, 5, 11, 41, 55, 205, 421, 451, 2105, 2255, 4631, 17261, 21283, 23155, 86305, 106415, 189871, 234113, 872603, 949355, 1170565, 4363015, 8960143, 9598633, 44800715, 47993165, 98561573, 367365863, 492807865, 1836829315, 4041024493, 20205122465]

約数ペア:

[(1, 20205122465), (5, 4041024493), (11, 1836829315), (41, 492807865), (55, 367365863), (205, 98561573), (421, 47993165), (451, 44800715), (2105, 9598633), (2255, 8960143), (4631, 4363015), (17261, 1170565), (21283, 949355), (23155, 872603), (86305, 234113), (106415, 189871)]