20655208

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3581}}^1$

素因数の和:3697

約数の個数: 32

約数和(自身を含む): 44703360

約数和(自身を除く): 24048152

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3581, 5768, 7162, 14324, 25067, 28648, 50134, 100268, 200536, 368843, 737686, 1475372, 2581901, 2950744, 5163802, 10327604, 20655208]

約数ペア:

[(1, 20655208), (2, 10327604), (4, 5163802), (7, 2950744), (8, 2581901), (14, 1475372), (28, 737686), (56, 368843), (103, 200536), (206, 100268), (412, 50134), (721, 28648), (824, 25067), (1442, 14324), (2884, 7162), (3581, 5768)]