20289438

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2797}}^1$

素因数の和:2849

約数の個数: 48

約数和(自身を含む): 48886656

約数和(自身を除く): 28597218

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 62, 78, 93, 117, 186, 234, 279, 403, 558, 806, 1209, 2418, 2797, 3627, 5594, 7254, 8391, 16782, 25173, 36361, 50346, 72722, 86707, 109083, 173414, 218166, 260121, 327249, 520242, 654498, 780363, 1127191, 1560726, 2254382, 3381573, 6763146, 10144719, 20289438]

約数ペア:

[(1, 20289438), (2, 10144719), (3, 6763146), (6, 3381573), (9, 2254382), (13, 1560726), (18, 1127191), (26, 780363), (31, 654498), (39, 520242), (62, 327249), (78, 260121), (93, 218166), (117, 173414), (186, 109083), (234, 86707), (279, 72722), (403, 50346), (558, 36361), (806, 25173), (1209, 16782), (2418, 8391), (2797, 7254), (3627, 5594)]