20664903555

素因数分解:

$3^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{587}}^1\times {\mathrm{1697}}^1$

素因数の和:2756

約数の個数: 48

約数和(自身を含む): 35979207264

約数和(自身を除く): 15314303709

約数列:

[1, 3, 5, 9, 15, 45, 461, 587, 1383, 1697, 1761, 2305, 2935, 4149, 5091, 5283, 6915, 8485, 8805, 15273, 20745, 25455, 26415, 76365, 270607, 782317, 811821, 996139, 1353035, 2346951, 2435463, 2988417, 3911585, 4059105, 4980695, 7040853, 8965251, 11734755, 12177315, 14942085, 35204265, 44826255, 459220079, 1377660237, 2296100395, 4132980711, 6888301185, 20664903555]

約数ペア:

[(1, 20664903555), (3, 6888301185), (5, 4132980711), (9, 2296100395), (15, 1377660237), (45, 459220079), (461, 44826255), (587, 35204265), (1383, 14942085), (1697, 12177315), (1761, 11734755), (2305, 8965251), (2935, 7040853), (4149, 4980695), (5091, 4059105), (5283, 3911585), (6915, 2988417), (8485, 2435463), (8805, 2346951), (15273, 1353035), (20745, 996139), (25455, 811821), (26415, 782317), (76365, 270607)]