20181936004060

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2689}}^1\times {\mathrm{457087}}^1$

素因数の和:460606

約数の個数: 48

約数和(自身を含む): 42449561441280

約数和(自身を除く): 22267625437220

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 2689, 3284, 4105, 5378, 8210, 10756, 13445, 16420, 26890, 53780, 457087, 914174, 1828348, 2207669, 2285435, 4415338, 4570870, 8830676, 9141740, 11038345, 22076690, 44153380, 375268427, 750536854, 1229106943, 1501073708, 1876342135, 2458213886, 3752684270, 4916427772, 6145534715, 7505368540, 12291069430, 24582138860, 1009096800203, 2018193600406, 4036387200812, 5045484001015, 10090968002030, 20181936004060]

約数ペア:

[(1, 20181936004060), (2, 10090968002030), (4, 5045484001015), (5, 4036387200812), (10, 2018193600406), (20, 1009096800203), (821, 24582138860), (1642, 12291069430), (2689, 7505368540), (3284, 6145534715), (4105, 4916427772), (5378, 3752684270), (8210, 2458213886), (10756, 1876342135), (13445, 1501073708), (16420, 1229106943), (26890, 750536854), (53780, 375268427), (457087, 44153380), (914174, 22076690), (1828348, 11038345), (2207669, 9141740), (2285435, 8830676), (4415338, 4570870)]