20348760318515

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{304690579}}^1$

素因数の和:304690659

約数の個数: 24

約数和(自身を含む): 26467861303440

約数和(自身を除く): 6119100984925

約数列:

[1, 5, 19, 37, 95, 185, 361, 703, 1805, 3515, 13357, 66785, 304690579, 1523452895, 5789121001, 11273551423, 28945605005, 56367757115, 109993299019, 214197477037, 549966495095, 1070987385185, 4069752063703, 20348760318515]

約数ペア:

[(1, 20348760318515), (5, 4069752063703), (19, 1070987385185), (37, 549966495095), (95, 214197477037), (185, 109993299019), (361, 56367757115), (703, 28945605005), (1805, 11273551423), (3515, 5789121001), (13357, 1523452895), (66785, 304690579)]