20265258

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:112

約数の個数: 96

約数和(自身を含む): 49512960

約数和(自身を除く): 29247702

約数列:

[1, 2, 3, 6, 13, 17, 26, 29, 31, 34, 39, 51, 58, 62, 78, 87, 93, 102, 174, 186, 221, 289, 377, 403, 442, 493, 527, 578, 663, 754, 806, 867, 899, 986, 1054, 1131, 1209, 1326, 1479, 1581, 1734, 1798, 2262, 2418, 2697, 2958, 3162, 3757, 5394, 6409, 6851, 7514, 8381, 8959, 11271, 11687, 12818, 13702, 15283, 16762, 17918, 19227, 20553, 22542, 23374, 25143, 26877, 30566, 35061, 38454, 41106, 45849, 50286, 53754, 70122, 91698, 108953, 116467, 198679, 217906, 232934, 259811, 326859, 349401, 397358, 519622, 596037, 653718, 698802, 779433, 1192074, 1558866, 3377543, 6755086, 10132629, 20265258]

約数ペア:

[(1, 20265258), (2, 10132629), (3, 6755086), (6, 3377543), (13, 1558866), (17, 1192074), (26, 779433), (29, 698802), (31, 653718), (34, 596037), (39, 519622), (51, 397358), (58, 349401), (62, 326859), (78, 259811), (87, 232934), (93, 217906), (102, 198679), (174, 116467), (186, 108953), (221, 91698), (289, 70122), (377, 53754), (403, 50286), (442, 45849), (493, 41106), (527, 38454), (578, 35061), (663, 30566), (754, 26877), (806, 25143), (867, 23374), (899, 22542), (986, 20553), (1054, 19227), (1131, 17918), (1209, 16762), (1326, 15283), (1479, 13702), (1581, 12818), (1734, 11687), (1798, 11271), (2262, 8959), (2418, 8381), (2697, 7514), (2958, 6851), (3162, 6409), (3757, 5394)]