20542732

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 23486708

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 103, 119, 206, 238, 412, 419, 476, 721, 838, 1442, 1676, 1751, 2884, 2933, 3502, 5866, 7004, 7123, 11732, 12257, 14246, 24514, 28492, 43157, 49028, 49861, 86314, 99722, 172628, 199444, 302099, 604198, 733669, 1208396, 1467338, 2934676, 5135683, 10271366, 20542732]

約数ペア:

[(1, 20542732), (2, 10271366), (4, 5135683), (7, 2934676), (14, 1467338), (17, 1208396), (28, 733669), (34, 604198), (68, 302099), (103, 199444), (119, 172628), (206, 99722), (238, 86314), (412, 49861), (419, 49028), (476, 43157), (721, 28492), (838, 24514), (1442, 14246), (1676, 12257), (1751, 11732), (2884, 7123), (2933, 7004), (3502, 5866)]