20787906

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8861}}^1$

素因数の和:8906

約数の個数: 32

約数和(自身を含む): 45940608

約数和(自身を除く): 25152702

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 391, 782, 1173, 2346, 8861, 17722, 26583, 53166, 150637, 203803, 301274, 407606, 451911, 611409, 903822, 1222818, 3464651, 6929302, 10393953, 20787906]

約数ペア:

[(1, 20787906), (2, 10393953), (3, 6929302), (6, 3464651), (17, 1222818), (23, 903822), (34, 611409), (46, 451911), (51, 407606), (69, 301274), (102, 203803), (138, 150637), (391, 53166), (782, 26583), (1173, 17722), (2346, 8861)]