20276919

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1409}}^1$

素因数の和:1472

約数の個数: 32

約数和(自身を含む): 33163200

約数和(自身を除く): 12886281

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1409, 1599, 4227, 4797, 12681, 14391, 18317, 38043, 54951, 57769, 164853, 173307, 494559, 519921, 750997, 1559763, 2252991, 6758973, 20276919]

約数ペア:

[(1, 20276919), (3, 6758973), (9, 2252991), (13, 1559763), (27, 750997), (39, 519921), (41, 494559), (117, 173307), (123, 164853), (351, 57769), (369, 54951), (533, 38043), (1107, 18317), (1409, 14391), (1599, 12681), (4227, 4797)]