16947380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9521}}^1$

素因数の和:9619

約数の個数: 24

約数和(自身を含む): 35993160

約数和(自身を除く): 19045780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 9521, 19042, 38084, 47605, 95210, 190420, 847369, 1694738, 3389476, 4236845, 8473690, 16947380]

約数ペア:

[(1, 16947380), (2, 8473690), (4, 4236845), (5, 3389476), (10, 1694738), (20, 847369), (89, 190420), (178, 95210), (356, 47605), (445, 38084), (890, 19042), (1780, 9521)]