20466784

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{49199}}^1$

素因数の和:49222

約数の個数: 24

約数和(自身を含む): 43394400

約数和(自身を除く): 22927616

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 49199, 98398, 196796, 393592, 639587, 787184, 1279174, 1574368, 2558348, 5116696, 10233392, 20466784]

約数ペア:

[(1, 20466784), (2, 10233392), (4, 5116696), (8, 2558348), (13, 1574368), (16, 1279174), (26, 787184), (32, 639587), (52, 393592), (104, 196796), (208, 98398), (416, 49199)]