20503336

素因数分解:

$2^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3359}}^1$

素因数の和:3481

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 23848664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 109, 218, 436, 763, 872, 1526, 3052, 3359, 6104, 6718, 13436, 23513, 26872, 47026, 94052, 188104, 366131, 732262, 1464524, 2562917, 2929048, 5125834, 10251668, 20503336]

約数ペア:

[(1, 20503336), (2, 10251668), (4, 5125834), (7, 2929048), (8, 2562917), (14, 1464524), (28, 732262), (56, 366131), (109, 188104), (218, 94052), (436, 47026), (763, 26872), (872, 23513), (1526, 13436), (3052, 6718), (3359, 6104)]