20841840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9649}}^1$

素因数の和:9671

約数の個数: 80

約数和(自身を含む): 71796000

約数和(自身を除く): 50954160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9649, 19298, 28947, 38596, 48245, 57894, 77192, 86841, 96490, 115788, 144735, 154384, 173682, 192980, 231576, 260523, 289470, 347364, 385960, 434205, 463152, 521046, 578940, 694728, 771920, 868410, 1042092, 1157880, 1302615, 1389456, 1736820, 2084184, 2315760, 2605230, 3473640, 4168368, 5210460, 6947280, 10420920, 20841840]

約数ペア:

[(1, 20841840), (2, 10420920), (3, 6947280), (4, 5210460), (5, 4168368), (6, 3473640), (8, 2605230), (9, 2315760), (10, 2084184), (12, 1736820), (15, 1389456), (16, 1302615), (18, 1157880), (20, 1042092), (24, 868410), (27, 771920), (30, 694728), (36, 578940), (40, 521046), (45, 463152), (48, 434205), (54, 385960), (60, 347364), (72, 289470), (80, 260523), (90, 231576), (108, 192980), (120, 173682), (135, 154384), (144, 144735), (180, 115788), (216, 96490), (240, 86841), (270, 77192), (360, 57894), (432, 48245), (540, 38596), (720, 28947), (1080, 19298), (2160, 9649)]