20402577

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1571}}^1$

素因数の和:1630

約数の個数: 32

約数和(自身を含む): 33452160

約数和(自身を除く): 13049583

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 1571, 4329, 4713, 12987, 14139, 20423, 42417, 58127, 61269, 174381, 183807, 523143, 551421, 755651, 1569429, 2266953, 6800859, 20402577]

約数ペア:

[(1, 20402577), (3, 6800859), (9, 2266953), (13, 1569429), (27, 755651), (37, 551421), (39, 523143), (111, 183807), (117, 174381), (333, 61269), (351, 58127), (481, 42417), (999, 20423), (1443, 14139), (1571, 12987), (4329, 4713)]