20000784

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10163}}^1$

素因数の和:10215

約数の個数: 40

約数和(自身を含む): 52934112

約数和(自身を除く): 32933328

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10163, 20326, 30489, 40652, 60978, 81304, 121956, 162608, 243912, 416683, 487824, 833366, 1250049, 1666732, 2500098, 3333464, 5000196, 6666928, 10000392, 20000784]

約数ペア:

[(1, 20000784), (2, 10000392), (3, 6666928), (4, 5000196), (6, 3333464), (8, 2500098), (12, 1666732), (16, 1250049), (24, 833366), (41, 487824), (48, 416683), (82, 243912), (123, 162608), (164, 121956), (246, 81304), (328, 60978), (492, 40652), (656, 30489), (984, 20326), (1968, 10163)]