20785515534

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1987523}}^1$

素因数の和:1987621

約数の個数: 48

約数和(自身を含む): 52089028992

約数和(自身を除く): 31303513458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 83, 126, 166, 249, 498, 581, 747, 1162, 1494, 1743, 3486, 5229, 10458, 1987523, 3975046, 5962569, 11925138, 13912661, 17887707, 27825322, 35775414, 41737983, 83475966, 125213949, 164964409, 250427898, 329928818, 494893227, 989786454, 1154750863, 1484679681, 2309501726, 2969359362, 3464252589, 6928505178, 10392757767, 20785515534]

約数ペア:

[(1, 20785515534), (2, 10392757767), (3, 6928505178), (6, 3464252589), (7, 2969359362), (9, 2309501726), (14, 1484679681), (18, 1154750863), (21, 989786454), (42, 494893227), (63, 329928818), (83, 250427898), (126, 164964409), (166, 125213949), (249, 83475966), (498, 41737983), (581, 35775414), (747, 27825322), (1162, 17887707), (1494, 13912661), (1743, 11925138), (3486, 5962569), (5229, 3975046), (10458, 1987523)]