20883650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 41783040

約数和(自身を除く): 20899390

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 79, 85, 158, 170, 311, 395, 425, 622, 790, 850, 1343, 1555, 1975, 2686, 3110, 3950, 5287, 6715, 7775, 10574, 13430, 15550, 24569, 26435, 33575, 49138, 52870, 67150, 122845, 132175, 245690, 264350, 417673, 614225, 835346, 1228450, 2088365, 4176730, 10441825, 20883650]

約数ペア:

[(1, 20883650), (2, 10441825), (5, 4176730), (10, 2088365), (17, 1228450), (25, 835346), (34, 614225), (50, 417673), (79, 264350), (85, 245690), (158, 132175), (170, 122845), (311, 67150), (395, 52870), (425, 49138), (622, 33575), (790, 26435), (850, 24569), (1343, 15550), (1555, 13430), (1975, 10574), (2686, 7775), (3110, 6715), (3950, 5287)]