20974818

素因数分解:

$2^1\times 3^1\times {\mathrm{1553}}^1\times {\mathrm{2251}}^1$

素因数の和:3809

約数の個数: 16

約数和(自身を含む): 41995296

約数和(自身を除く): 21020478

約数列:

[1, 2, 3, 6, 1553, 2251, 3106, 4502, 4659, 6753, 9318, 13506, 3495803, 6991606, 10487409, 20974818]

約数ペア:

[(1, 20974818), (2, 10487409), (3, 6991606), (6, 3495803), (1553, 13506), (2251, 9318), (3106, 6753), (4502, 4659)]