20462385643

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{3463}}^1$

素因数の和:3621

約数の個数: 40

約数和(自身を含む): 25149305088

約数和(自身を除く): 4686919445

約数列:

[1, 7, 23, 49, 107, 161, 343, 749, 1127, 2401, 2461, 3463, 5243, 7889, 17227, 24241, 36701, 55223, 79649, 120589, 169687, 256907, 370541, 557543, 844123, 1187809, 2593787, 3902801, 5908861, 8314663, 8522443, 18156509, 27319607, 59657101, 127095563, 191237249, 417599707, 889668941, 2923197949, 20462385643]

約数ペア:

[(1, 20462385643), (7, 2923197949), (23, 889668941), (49, 417599707), (107, 191237249), (161, 127095563), (343, 59657101), (749, 27319607), (1127, 18156509), (2401, 8522443), (2461, 8314663), (3463, 5908861), (5243, 3902801), (7889, 2593787), (17227, 1187809), (24241, 844123), (36701, 557543), (55223, 370541), (79649, 256907), (120589, 169687)]