20538480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85577}}^1$

素因数の和:85593

約数の個数: 40

約数和(自身を含む): 63670032

約数和(自身を除く): 43131552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85577, 171154, 256731, 342308, 427885, 513462, 684616, 855770, 1026924, 1283655, 1369232, 1711540, 2053848, 2567310, 3423080, 4107696, 5134620, 6846160, 10269240, 20538480]

約数ペア:

[(1, 20538480), (2, 10269240), (3, 6846160), (4, 5134620), (5, 4107696), (6, 3423080), (8, 2567310), (10, 2053848), (12, 1711540), (15, 1369232), (16, 1283655), (20, 1026924), (24, 855770), (30, 684616), (40, 513462), (48, 427885), (60, 342308), (80, 256731), (120, 171154), (240, 85577)]