20402396

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{8779}}^1$

素因数の和:8873

約数の個数: 24

約数和(自身を含む): 41301120

約数和(自身を除く): 20898724

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 8779, 17558, 35116, 61453, 122906, 245812, 728657, 1457314, 2914628, 5100599, 10201198, 20402396]

約数ペア:

[(1, 20402396), (2, 10201198), (4, 5100599), (7, 2914628), (14, 1457314), (28, 728657), (83, 245812), (166, 122906), (332, 61453), (581, 35116), (1162, 17558), (2324, 8779)]