20144684

素因数分解:

$2^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1398

約数の個数: 36

約数和(自身を含む): 41559840

約数和(自身を除く): 21415156

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 553, 1106, 1301, 2212, 2602, 3871, 5204, 7742, 9107, 15484, 18214, 36428, 63749, 102779, 127498, 205558, 254996, 411116, 719453, 1438906, 2877812, 5036171, 10072342, 20144684]

約数ペア:

[(1, 20144684), (2, 10072342), (4, 5036171), (7, 2877812), (14, 1438906), (28, 719453), (49, 411116), (79, 254996), (98, 205558), (158, 127498), (196, 102779), (316, 63749), (553, 36428), (1106, 18214), (1301, 15484), (2212, 9107), (2602, 7742), (3871, 5204)]