20943585

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35801}}^1$

素因数の和:35825

約数の個数: 24

約数和(自身を含む): 39095784

約数和(自身を除く): 18152199

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 35801, 107403, 179005, 322209, 465413, 537015, 1396239, 1611045, 2327065, 4188717, 6981195, 20943585]

約数ペア:

[(1, 20943585), (3, 6981195), (5, 4188717), (9, 2327065), (13, 1611045), (15, 1396239), (39, 537015), (45, 465413), (65, 322209), (117, 179005), (195, 107403), (585, 35801)]