20408058712

素因数分解:

$2^3\times {\mathrm{907}}^1\times {\mathrm{2812577}}^1$

素因数の和:2813490

約数の個数: 16

約数和(自身を含む): 38307312360

約数和(自身を除く): 17899253648

約数列:

[1, 2, 4, 8, 907, 1814, 3628, 7256, 2812577, 5625154, 11250308, 22500616, 2551007339, 5102014678, 10204029356, 20408058712]

約数ペア:

[(1, 20408058712), (2, 10204029356), (4, 5102014678), (8, 2551007339), (907, 22500616), (1814, 11250308), (3628, 5625154), (7256, 2812577)]