20188780917

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{1789}}^1\times {\mathrm{52981}}^1$

素因数の和:54844

約数の個数: 16

約数和(自身を含む): 27313280640

約数和(自身を除く): 7124499723

約数列:

[1, 3, 71, 213, 1789, 5367, 52981, 127019, 158943, 381057, 3761651, 11284953, 94783009, 284349027, 6729593639, 20188780917]

約数ペア:

[(1, 20188780917), (3, 6729593639), (71, 284349027), (213, 94783009), (1789, 11284953), (5367, 3761651), (52981, 381057), (127019, 158943)]