20530866

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 46227456

約数和(自身を除く): 25696590

約数列:

[1, 2, 3, 6, 17, 31, 34, 43, 51, 62, 86, 93, 102, 129, 151, 186, 258, 302, 453, 527, 731, 906, 1054, 1333, 1462, 1581, 2193, 2567, 2666, 3162, 3999, 4386, 4681, 5134, 6493, 7701, 7998, 9362, 12986, 14043, 15402, 19479, 22661, 28086, 38958, 45322, 67983, 79577, 110381, 135966, 159154, 201283, 220762, 238731, 331143, 402566, 477462, 603849, 662286, 1207698, 3421811, 6843622, 10265433, 20530866]

約数ペア:

[(1, 20530866), (2, 10265433), (3, 6843622), (6, 3421811), (17, 1207698), (31, 662286), (34, 603849), (43, 477462), (51, 402566), (62, 331143), (86, 238731), (93, 220762), (102, 201283), (129, 159154), (151, 135966), (186, 110381), (258, 79577), (302, 67983), (453, 45322), (527, 38958), (731, 28086), (906, 22661), (1054, 19479), (1333, 15402), (1462, 14043), (1581, 12986), (2193, 9362), (2567, 7998), (2666, 7701), (3162, 6493), (3999, 5134), (4386, 4681)]