20352995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 28268352

約数和(自身を除く): 7915357

約数列:

[1, 5, 13, 17, 65, 85, 113, 163, 221, 565, 815, 1105, 1469, 1921, 2119, 2771, 7345, 9605, 10595, 13855, 18419, 24973, 36023, 92095, 124865, 180115, 239447, 313123, 1197235, 1565615, 4070599, 20352995]

約数ペア:

[(1, 20352995), (5, 4070599), (13, 1565615), (17, 1197235), (65, 313123), (85, 239447), (113, 180115), (163, 124865), (221, 92095), (565, 36023), (815, 24973), (1105, 18419), (1469, 13855), (1921, 10595), (2119, 9605), (2771, 7345)]