20167040

素因数分解:

$2^7\times 5^1\times {\mathrm{31511}}^1$

素因数の和:31530

約数の個数: 32

約数和(自身を含む): 48213360

約数和(自身を除く): 28046320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31511, 63022, 126044, 157555, 252088, 315110, 504176, 630220, 1008352, 1260440, 2016704, 2520880, 4033408, 5041760, 10083520, 20167040]

約数ペア:

[(1, 20167040), (2, 10083520), (4, 5041760), (5, 4033408), (8, 2520880), (10, 2016704), (16, 1260440), (20, 1008352), (32, 630220), (40, 504176), (64, 315110), (80, 252088), (128, 157555), (160, 126044), (320, 63022), (640, 31511)]