20888933883

素因数分解:

$3^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1\times {\mathrm{521}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 28263168000

約数和(自身を除く): 7374234117

約数列:

[1, 3, 199, 239, 281, 521, 597, 717, 843, 1563, 47561, 55919, 67159, 103679, 124519, 142683, 146401, 167757, 201477, 311037, 373557, 439203, 13364641, 24779281, 29133799, 34989839, 40093923, 74337843, 87401397, 104969517, 6962977961, 20888933883]

約数ペア:

[(1, 20888933883), (3, 6962977961), (199, 104969517), (239, 87401397), (281, 74337843), (521, 40093923), (597, 34989839), (717, 29133799), (843, 24779281), (1563, 13364641), (47561, 439203), (55919, 373557), (67159, 311037), (103679, 201477), (124519, 167757), (142683, 146401)]