20165020208

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{7546789}}^1$

素因数の和:7546964

約数の個数: 20

約数和(自身を含む): 39303682320

約数和(自身を除く): 19138662112

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 7546789, 15093578, 30187156, 60374312, 120748624, 1260313763, 2520627526, 5041255052, 10082510104, 20165020208]

約数ペア:

[(1, 20165020208), (2, 10082510104), (4, 5041255052), (8, 2520627526), (16, 1260313763), (167, 120748624), (334, 60374312), (668, 30187156), (1336, 15093578), (2672, 7546789)]