20198628

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4283}}^1$

素因数の和:4424

約数の個数: 36

約数和(自身を含む): 51459408

約数和(自身を除く): 31260780

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4283, 4716, 8566, 12849, 17132, 25698, 38547, 51396, 77094, 154188, 561073, 1122146, 1683219, 2244292, 3366438, 5049657, 6732876, 10099314, 20198628]

約数ペア:

[(1, 20198628), (2, 10099314), (3, 6732876), (4, 5049657), (6, 3366438), (9, 2244292), (12, 1683219), (18, 1122146), (36, 561073), (131, 154188), (262, 77094), (393, 51396), (524, 38547), (786, 25698), (1179, 17132), (1572, 12849), (2358, 8566), (4283, 4716)]