20464785

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13781}}^1$

素因数の和:13806

約数の個数: 32

約数和(自身を含む): 39692160

約数和(自身を除く): 19227375

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 13781, 41343, 68905, 124029, 151591, 206715, 372087, 454773, 620145, 757955, 1364319, 1860435, 2273865, 4092957, 6821595, 20464785]

約数ペア:

[(1, 20464785), (3, 6821595), (5, 4092957), (9, 2273865), (11, 1860435), (15, 1364319), (27, 757955), (33, 620145), (45, 454773), (55, 372087), (99, 206715), (135, 151591), (165, 124029), (297, 68905), (495, 41343), (1485, 13781)]