20376447

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{739}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 33815040

約数和(自身を除く): 13438593

約数列:

[1, 3, 7, 13, 21, 39, 91, 101, 273, 303, 707, 739, 1313, 2121, 2217, 3939, 5173, 9191, 9607, 15519, 27573, 28821, 67249, 74639, 201747, 223917, 522473, 970307, 1567419, 2910921, 6792149, 20376447]

約数ペア:

[(1, 20376447), (3, 6792149), (7, 2910921), (13, 1567419), (21, 970307), (39, 522473), (91, 223917), (101, 201747), (273, 74639), (303, 67249), (707, 28821), (739, 27573), (1313, 15519), (2121, 9607), (2217, 9191), (3939, 5173)]