20219188885

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1\times {\mathrm{8329}}^1$

素因数の和:9997

約数の個数: 32

約数和(自身を含む): 28395037440

約数和(自身を除く): 8175848555

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 1613, 8065, 8329, 11291, 41645, 56455, 58303, 69359, 291515, 346795, 358147, 485513, 1790735, 2427565, 2507029, 12535145, 13434677, 67173385, 94042739, 470213695, 577691111, 2888455555, 4043837777, 20219188885]

約数ペア:

[(1, 20219188885), (5, 4043837777), (7, 2888455555), (35, 577691111), (43, 470213695), (215, 94042739), (301, 67173385), (1505, 13434677), (1613, 12535145), (8065, 2507029), (8329, 2427565), (11291, 1790735), (41645, 485513), (56455, 358147), (58303, 346795), (69359, 291515)]