20805650937

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{4370017}}^1$

素因数の和:4370069

約数の個数: 18

約数和(自身を含む): 31416059402

約数和(自身を除く): 10610408465

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 4370017, 13110051, 39330153, 100510391, 301531173, 904593519, 2311738993, 6935216979, 20805650937]

約数ペア:

[(1, 20805650937), (3, 6935216979), (9, 2311738993), (23, 904593519), (69, 301531173), (207, 100510391), (529, 39330153), (1587, 13110051), (4761, 4370017)]