20572244

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3929}}^1$

素因数の和:3968

約数の個数: 48

約数和(自身を含む): 47537280

約数和(自身を除く): 26965036

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3929, 5236, 7858, 15716, 27503, 43219, 55006, 66793, 86438, 110012, 133586, 172876, 267172, 302533, 467551, 605066, 734723, 935102, 1210132, 1469446, 1870204, 2938892, 5143061, 10286122, 20572244]

約数ペア:

[(1, 20572244), (2, 10286122), (4, 5143061), (7, 2938892), (11, 1870204), (14, 1469446), (17, 1210132), (22, 935102), (28, 734723), (34, 605066), (44, 467551), (68, 302533), (77, 267172), (119, 172876), (154, 133586), (187, 110012), (238, 86438), (308, 66793), (374, 55006), (476, 43219), (748, 27503), (1309, 15716), (2618, 7858), (3929, 5236)]