20178603009

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{797}}^1\times {\mathrm{22871}}^1$

素因数の和:23718

約数の個数: 32

約数和(自身を含む): 30663118080

約数和(自身を除く): 10484515071

約数列:

[1, 3, 9, 27, 41, 123, 369, 797, 1107, 2391, 7173, 21519, 22871, 32677, 68613, 98031, 205839, 294093, 617517, 882279, 937711, 2813133, 8439399, 18228187, 25318197, 54684561, 164053683, 492161049, 747355667, 2242067001, 6726201003, 20178603009]

約数ペア:

[(1, 20178603009), (3, 6726201003), (9, 2242067001), (27, 747355667), (41, 492161049), (123, 164053683), (369, 54684561), (797, 25318197), (1107, 18228187), (2391, 8439399), (7173, 2813133), (21519, 937711), (22871, 882279), (32677, 617517), (68613, 294093), (98031, 205839)]