20347819920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9420287}}^1$

素因数の和:9420309

約数の個数: 80

約数和(自身を含む): 70086942720

約数和(自身を除く): 49739122800

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, 9420287, 18840574, 28260861, 37681148, 47101435, 56521722, 75362296, 84782583, 94202870, 113043444, 141304305, 150724592, 169565166, 188405740, 226086888, 254347749, 282608610, 339130332, 376811480, 423912915, 452173776, 508695498, 565217220, 678260664, 753622960, 847825830, 1017390996, 1130434440, 1271738745, 1356521328, 1695651660, 2034781992, 2260868880, 2543477490, 3391303320, 4069563984, 5086954980, 6782606640, 10173909960, 20347819920]

約数ペア:

[(1, 20347819920), (2, 10173909960), (3, 6782606640), (4, 5086954980), (5, 4069563984), (6, 3391303320), (8, 2543477490), (9, 2260868880), (10, 2034781992), (12, 1695651660), (15, 1356521328), (16, 1271738745), (18, 1130434440), (20, 1017390996), (24, 847825830), (27, 753622960), (30, 678260664), (36, 565217220), (40, 508695498), (45, 452173776), (48, 423912915), (54, 376811480), (60, 339130332), (72, 282608610), (80, 254347749), (90, 226086888), (108, 188405740), (120, 169565166), (135, 150724592), (144, 141304305), (180, 113043444), (216, 94202870), (240, 84782583), (270, 75362296), (360, 56521722), (432, 47101435), (540, 37681148), (720, 28260861), (1080, 18840574), (2160, 9420287)]