20149108

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9109}}^1$

素因数の和:9199

約数の個数: 24

約数和(自身を含む): 40812800

約数和(自身を除く): 20663692

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9109, 18218, 36436, 63763, 127526, 255052, 719611, 1439222, 2878444, 5037277, 10074554, 20149108]

約数ペア:

[(1, 20149108), (2, 10074554), (4, 5037277), (7, 2878444), (14, 1439222), (28, 719611), (79, 255052), (158, 127526), (316, 63763), (553, 36436), (1106, 18218), (2212, 9109)]