20276505

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9587}}^1$

素因数の和:9645

約数の個数: 24

約数和(自身を含む): 35897472

約数和(自身を除く): 15620967

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 9587, 28761, 47935, 86283, 143805, 431415, 450589, 1351767, 2252945, 4055301, 6758835, 20276505]

約数ペア:

[(1, 20276505), (3, 6758835), (5, 4055301), (9, 2252945), (15, 1351767), (45, 450589), (47, 431415), (141, 143805), (235, 86283), (423, 47935), (705, 28761), (2115, 9587)]