20748542

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{631}}^1$

素因数の和:1075

約数の個数: 16

約数和(自身を含む): 32012064

約数和(自身を除く): 11263522

約数列:

[1, 2, 41, 82, 401, 631, 802, 1262, 16441, 25871, 32882, 51742, 253031, 506062, 10374271, 20748542]

約数ペア:

[(1, 20748542), (2, 10374271), (41, 506062), (82, 253031), (401, 51742), (631, 32882), (802, 25871), (1262, 16441)]