20802628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 50077440

約数和(自身を除く): 29274812

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 29, 34, 44, 58, 68, 77, 116, 119, 137, 154, 187, 203, 238, 274, 308, 319, 374, 406, 476, 493, 548, 638, 748, 812, 959, 986, 1276, 1309, 1507, 1918, 1972, 2233, 2329, 2618, 3014, 3451, 3836, 3973, 4466, 4658, 5236, 5423, 6028, 6902, 7946, 8932, 9316, 10549, 10846, 13804, 15892, 16303, 21098, 21692, 25619, 27811, 32606, 37961, 42196, 43703, 51238, 55622, 65212, 67541, 75922, 87406, 102476, 111244, 135082, 151844, 174812, 179333, 270164, 305921, 358666, 472787, 611842, 717332, 742951, 945574, 1223684, 1485902, 1891148, 2971804, 5200657, 10401314, 20802628]

約数ペア:

[(1, 20802628), (2, 10401314), (4, 5200657), (7, 2971804), (11, 1891148), (14, 1485902), (17, 1223684), (22, 945574), (28, 742951), (29, 717332), (34, 611842), (44, 472787), (58, 358666), (68, 305921), (77, 270164), (116, 179333), (119, 174812), (137, 151844), (154, 135082), (187, 111244), (203, 102476), (238, 87406), (274, 75922), (308, 67541), (319, 65212), (374, 55622), (406, 51238), (476, 43703), (493, 42196), (548, 37961), (638, 32606), (748, 27811), (812, 25619), (959, 21692), (986, 21098), (1276, 16303), (1309, 15892), (1507, 13804), (1918, 10846), (1972, 10549), (2233, 9316), (2329, 8932), (2618, 7946), (3014, 6902), (3451, 6028), (3836, 5423), (3973, 5236), (4466, 4658)]