20415445400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{339127}}^1$

素因数の和:339193

約数の個数: 96

約数和(自身を含む): 55508471040

約数和(自身を除く): 35093025640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 43, 50, 56, 70, 86, 100, 140, 172, 175, 200, 215, 280, 301, 344, 350, 430, 602, 700, 860, 1075, 1204, 1400, 1505, 1720, 2150, 2408, 3010, 4300, 6020, 7525, 8600, 12040, 15050, 30100, 60200, 339127, 678254, 1356508, 1695635, 2373889, 2713016, 3391270, 4747778, 6782540, 8478175, 9495556, 11869445, 13565080, 14582461, 16956350, 18991112, 23738890, 29164922, 33912700, 47477780, 58329844, 59347225, 67825400, 72912305, 94955560, 102077227, 116659688, 118694450, 145824610, 204154454, 237388900, 291649220, 364561525, 408308908, 474777800, 510386135, 583298440, 729123050, 816617816, 1020772270, 1458246100, 2041544540, 2551930675, 2916492200, 4083089080, 5103861350, 10207722700, 20415445400]

約数ペア:

[(1, 20415445400), (2, 10207722700), (4, 5103861350), (5, 4083089080), (7, 2916492200), (8, 2551930675), (10, 2041544540), (14, 1458246100), (20, 1020772270), (25, 816617816), (28, 729123050), (35, 583298440), (40, 510386135), (43, 474777800), (50, 408308908), (56, 364561525), (70, 291649220), (86, 237388900), (100, 204154454), (140, 145824610), (172, 118694450), (175, 116659688), (200, 102077227), (215, 94955560), (280, 72912305), (301, 67825400), (344, 59347225), (350, 58329844), (430, 47477780), (602, 33912700), (700, 29164922), (860, 23738890), (1075, 18991112), (1204, 16956350), (1400, 14582461), (1505, 13565080), (1720, 11869445), (2150, 9495556), (2408, 8478175), (3010, 6782540), (4300, 4747778), (6020, 3391270), (7525, 2713016), (8600, 2373889), (12040, 1695635), (15050, 1356508), (30100, 678254), (60200, 339127)]