20347096

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:137

約数の個数: 128

約数和(自身を含む): 52876800

約数和(自身を除く): 32529704

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 29, 34, 44, 56, 58, 67, 68, 77, 88, 116, 119, 134, 136, 154, 187, 203, 232, 238, 268, 308, 319, 374, 406, 469, 476, 493, 536, 616, 638, 737, 748, 812, 938, 952, 986, 1139, 1276, 1309, 1474, 1496, 1624, 1876, 1943, 1972, 2233, 2278, 2552, 2618, 2948, 3451, 3752, 3886, 3944, 4466, 4556, 5159, 5236, 5423, 5896, 6902, 7772, 7973, 8932, 9112, 10318, 10472, 10846, 12529, 13601, 13804, 15544, 15946, 17864, 20636, 21373, 21692, 25058, 27202, 27608, 31892, 33031, 37961, 41272, 42746, 43384, 50116, 54404, 63784, 66062, 75922, 85492, 87703, 100232, 108808, 132124, 149611, 151844, 170984, 175406, 231217, 264248, 299222, 303688, 350812, 363341, 462434, 598444, 701624, 726682, 924868, 1196888, 1453364, 1849736, 2543387, 2906728, 5086774, 10173548, 20347096]

約数ペア:

[(1, 20347096), (2, 10173548), (4, 5086774), (7, 2906728), (8, 2543387), (11, 1849736), (14, 1453364), (17, 1196888), (22, 924868), (28, 726682), (29, 701624), (34, 598444), (44, 462434), (56, 363341), (58, 350812), (67, 303688), (68, 299222), (77, 264248), (88, 231217), (116, 175406), (119, 170984), (134, 151844), (136, 149611), (154, 132124), (187, 108808), (203, 100232), (232, 87703), (238, 85492), (268, 75922), (308, 66062), (319, 63784), (374, 54404), (406, 50116), (469, 43384), (476, 42746), (493, 41272), (536, 37961), (616, 33031), (638, 31892), (737, 27608), (748, 27202), (812, 25058), (938, 21692), (952, 21373), (986, 20636), (1139, 17864), (1276, 15946), (1309, 15544), (1474, 13804), (1496, 13601), (1624, 12529), (1876, 10846), (1943, 10472), (1972, 10318), (2233, 9112), (2278, 8932), (2552, 7973), (2618, 7772), (2948, 6902), (3451, 5896), (3752, 5423), (3886, 5236), (3944, 5159), (4466, 4556)]