20804600

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 53233200

約数和(自身を除く): 32428600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 29, 34, 40, 50, 58, 68, 85, 100, 116, 136, 145, 170, 200, 211, 232, 290, 340, 422, 425, 493, 580, 680, 725, 844, 850, 986, 1055, 1160, 1450, 1688, 1700, 1972, 2110, 2465, 2900, 3400, 3587, 3944, 4220, 4930, 5275, 5800, 6119, 7174, 8440, 9860, 10550, 12238, 12325, 14348, 17935, 19720, 21100, 24476, 24650, 28696, 30595, 35870, 42200, 48952, 49300, 61190, 71740, 89675, 98600, 104023, 122380, 143480, 152975, 179350, 208046, 244760, 305950, 358700, 416092, 520115, 611900, 717400, 832184, 1040230, 1223800, 2080460, 2600575, 4160920, 5201150, 10402300, 20804600]

約数ペア:

[(1, 20804600), (2, 10402300), (4, 5201150), (5, 4160920), (8, 2600575), (10, 2080460), (17, 1223800), (20, 1040230), (25, 832184), (29, 717400), (34, 611900), (40, 520115), (50, 416092), (58, 358700), (68, 305950), (85, 244760), (100, 208046), (116, 179350), (136, 152975), (145, 143480), (170, 122380), (200, 104023), (211, 98600), (232, 89675), (290, 71740), (340, 61190), (422, 49300), (425, 48952), (493, 42200), (580, 35870), (680, 30595), (725, 28696), (844, 24650), (850, 24476), (986, 21100), (1055, 19720), (1160, 17935), (1450, 14348), (1688, 12325), (1700, 12238), (1972, 10550), (2110, 9860), (2465, 8440), (2900, 7174), (3400, 6119), (3587, 5800), (3944, 5275), (4220, 4930)]