20085010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1163}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 39724992

約数和(自身を除く): 19639982

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 314, 785, 1163, 1570, 1727, 2326, 3454, 5815, 8635, 11630, 12793, 17270, 25586, 63965, 127930, 182591, 365182, 912955, 1825910, 2008501, 4017002, 10042505, 20085010]

約数ペア:

[(1, 20085010), (2, 10042505), (5, 4017002), (10, 2008501), (11, 1825910), (22, 912955), (55, 365182), (110, 182591), (157, 127930), (314, 63965), (785, 25586), (1163, 17270), (1570, 12793), (1727, 11630), (2326, 8635), (3454, 5815)]