20899360

素因数分解:

$2^5\times 5^1\times {\mathrm{130621}}^1$

素因数の和:130636

約数の個数: 24

約数和(自身を含む): 49375116

約数和(自身を除く): 28475756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 130621, 261242, 522484, 653105, 1044968, 1306210, 2089936, 2612420, 4179872, 5224840, 10449680, 20899360]

約数ペア:

[(1, 20899360), (2, 10449680), (4, 5224840), (5, 4179872), (8, 2612420), (10, 2089936), (16, 1306210), (20, 1044968), (32, 653105), (40, 522484), (80, 261242), (160, 130621)]