20850585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11681}}^1$

素因数の和:11713

約数の個数: 32

約数和(自身を含む): 40372992

約数和(自身を除く): 19522407

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11681, 35043, 58405, 81767, 175215, 198577, 245301, 408835, 595731, 992885, 1226505, 1390039, 2978655, 4170117, 6950195, 20850585]

約数ペア:

[(1, 20850585), (3, 6950195), (5, 4170117), (7, 2978655), (15, 1390039), (17, 1226505), (21, 992885), (35, 595731), (51, 408835), (85, 245301), (105, 198577), (119, 175215), (255, 81767), (357, 58405), (595, 35043), (1785, 11681)]