20291207660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{194323}}^1$

素因数の和:194582

約数の個数: 48

約数和(自身を含む): 44660318976

約数和(自身を除く): 24369111316

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 227, 230, 454, 460, 908, 1135, 2270, 4540, 5221, 10442, 20884, 26105, 52210, 104420, 194323, 388646, 777292, 971615, 1943230, 3886460, 4469429, 8938858, 17877716, 22347145, 44111321, 44694290, 88222642, 89388580, 176445284, 220556605, 441113210, 882226420, 1014560383, 2029120766, 4058241532, 5072801915, 10145603830, 20291207660]

約数ペア:

[(1, 20291207660), (2, 10145603830), (4, 5072801915), (5, 4058241532), (10, 2029120766), (20, 1014560383), (23, 882226420), (46, 441113210), (92, 220556605), (115, 176445284), (227, 89388580), (230, 88222642), (454, 44694290), (460, 44111321), (908, 22347145), (1135, 17877716), (2270, 8938858), (4540, 4469429), (5221, 3886460), (10442, 1943230), (20884, 971615), (26105, 777292), (52210, 388646), (104420, 194323)]