20144303905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1361}}^1\times {\mathrm{8681}}^1$

素因数の和:10089

約数の個数: 32

約数和(自身を含む): 27244532736

約数和(自身を除く): 7100228831

約数列:

[1, 5, 11, 31, 55, 155, 341, 1361, 1705, 6805, 8681, 14971, 42191, 43405, 74855, 95491, 210955, 269111, 464101, 477455, 1345555, 2320505, 2960221, 11814841, 14801105, 59074205, 129963251, 366260071, 649816255, 1831300355, 4028860781, 20144303905]

約数ペア:

[(1, 20144303905), (5, 4028860781), (11, 1831300355), (31, 649816255), (55, 366260071), (155, 129963251), (341, 59074205), (1361, 14801105), (1705, 11814841), (6805, 2960221), (8681, 2320505), (14971, 1345555), (42191, 477455), (43405, 464101), (74855, 269111), (95491, 210955)]