20789300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1747}}^1$

素因数の和:1785

約数の個数: 72

約数和(自身を含む): 54621504

約数和(自身を除く): 33832204

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 100, 119, 140, 170, 175, 238, 340, 350, 425, 476, 595, 700, 850, 1190, 1700, 1747, 2380, 2975, 3494, 5950, 6988, 8735, 11900, 12229, 17470, 24458, 29699, 34940, 43675, 48916, 59398, 61145, 87350, 118796, 122290, 148495, 174700, 207893, 244580, 296990, 305725, 415786, 593980, 611450, 742475, 831572, 1039465, 1222900, 1484950, 2078930, 2969900, 4157860, 5197325, 10394650, 20789300]

約数ペア:

[(1, 20789300), (2, 10394650), (4, 5197325), (5, 4157860), (7, 2969900), (10, 2078930), (14, 1484950), (17, 1222900), (20, 1039465), (25, 831572), (28, 742475), (34, 611450), (35, 593980), (50, 415786), (68, 305725), (70, 296990), (85, 244580), (100, 207893), (119, 174700), (140, 148495), (170, 122290), (175, 118796), (238, 87350), (340, 61145), (350, 59398), (425, 48916), (476, 43675), (595, 34940), (700, 29699), (850, 24458), (1190, 17470), (1700, 12229), (1747, 11900), (2380, 8735), (2975, 6988), (3494, 5950)]