20662616

素因数分解:

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

素因数の和:109

約数の個数: 96

約数和(自身を含む): 47433600

約数和(自身を除く): 26770984

約数列:

[1, 2, 4, 8, 13, 17, 26, 29, 31, 34, 52, 58, 62, 68, 104, 116, 124, 136, 169, 221, 232, 248, 338, 377, 403, 442, 493, 527, 676, 754, 806, 884, 899, 986, 1054, 1352, 1508, 1612, 1768, 1798, 1972, 2108, 2873, 3016, 3224, 3596, 3944, 4216, 4901, 5239, 5746, 6409, 6851, 7192, 9802, 10478, 11492, 11687, 12818, 13702, 15283, 19604, 20956, 22984, 23374, 25636, 27404, 30566, 39208, 41912, 46748, 51272, 54808, 61132, 83317, 89063, 93496, 122264, 151931, 166634, 178126, 198679, 303862, 333268, 356252, 397358, 607724, 666536, 712504, 794716, 1215448, 1589432, 2582827, 5165654, 10331308, 20662616]

約数ペア:

[(1, 20662616), (2, 10331308), (4, 5165654), (8, 2582827), (13, 1589432), (17, 1215448), (26, 794716), (29, 712504), (31, 666536), (34, 607724), (52, 397358), (58, 356252), (62, 333268), (68, 303862), (104, 198679), (116, 178126), (124, 166634), (136, 151931), (169, 122264), (221, 93496), (232, 89063), (248, 83317), (338, 61132), (377, 54808), (403, 51272), (442, 46748), (493, 41912), (527, 39208), (676, 30566), (754, 27404), (806, 25636), (884, 23374), (899, 22984), (986, 20956), (1054, 19604), (1352, 15283), (1508, 13702), (1612, 12818), (1768, 11687), (1798, 11492), (1972, 10478), (2108, 9802), (2873, 7192), (3016, 6851), (3224, 6409), (3596, 5746), (3944, 5239), (4216, 4901)]