20178740097

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{31578623}}^1$

素因数の和:31578700

約数の個数: 12

約数和(自身を含む): 29557592064

約数和(自身を除く): 9378851967

約数列:

[1, 3, 9, 71, 213, 639, 31578623, 94735869, 284207607, 2242082233, 6726246699, 20178740097]

約数ペア:

[(1, 20178740097), (3, 6726246699), (9, 2242082233), (71, 284207607), (213, 94735869), (639, 31578623)]