20667823

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 23726592

約数和(自身を除く): 3058769

約数列:

[1, 11, 23, 151, 253, 541, 1661, 3473, 5951, 12443, 38203, 81691, 136873, 898601, 1878893, 20667823]

約数ペア:

[(1, 20667823), (11, 1878893), (23, 898601), (151, 136873), (253, 81691), (541, 38203), (1661, 12443), (3473, 5951)]