20805119991

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{509}}^1\times {\mathrm{110771}}^1$

素因数の和:111327

約数の個数: 24

約数和(自身を含む): 30845571120

約数和(自身を除く): 10040451129

約数列:

[1, 3, 9, 41, 123, 369, 509, 1527, 4581, 20869, 62607, 110771, 187821, 332313, 996939, 4541611, 13624833, 40874499, 56382439, 169147317, 507441951, 2311679999, 6935039997, 20805119991]

約数ペア:

[(1, 20805119991), (3, 6935039997), (9, 2311679999), (41, 507441951), (123, 169147317), (369, 56382439), (509, 40874499), (1527, 13624833), (4581, 4541611), (20869, 996939), (62607, 332313), (110771, 187821)]