20403394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{29917}}^1$

素因数の和:29961

約数の個数: 16

約数和(自身を含む): 34465536

約数和(自身を除く): 14062142

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 29917, 59834, 329087, 658174, 927427, 1854854, 10201697, 20403394]

約数ペア:

[(1, 20403394), (2, 10201697), (11, 1854854), (22, 927427), (31, 658174), (62, 329087), (341, 59834), (682, 29917)]