20398854

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1049}}^1$

素因数の和:1524

約数の個数: 32

約数和(自身を含む): 46771200

約数和(自身を除く): 26372346

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 463, 926, 1049, 1389, 2098, 2778, 3147, 3241, 6294, 6482, 7343, 9723, 14686, 19446, 22029, 44058, 485687, 971374, 1457061, 2914122, 3399809, 6799618, 10199427, 20398854]

約数ペア:

[(1, 20398854), (2, 10199427), (3, 6799618), (6, 3399809), (7, 2914122), (14, 1457061), (21, 971374), (42, 485687), (463, 44058), (926, 22029), (1049, 19446), (1389, 14686), (2098, 9723), (2778, 7343), (3147, 6482), (3241, 6294)]