20427480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 66970800

約数和(自身を除く): 46543320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 179, 180, 317, 358, 360, 537, 634, 716, 895, 951, 1074, 1268, 1432, 1585, 1611, 1790, 1902, 2148, 2536, 2685, 2853, 3170, 3222, 3580, 3804, 4296, 4755, 5370, 5706, 6340, 6444, 7160, 7608, 8055, 9510, 10740, 11412, 12680, 12888, 14265, 16110, 19020, 21480, 22824, 28530, 32220, 38040, 56743, 57060, 64440, 113486, 114120, 170229, 226972, 283715, 340458, 453944, 510687, 567430, 680916, 851145, 1021374, 1134860, 1361832, 1702290, 2042748, 2269720, 2553435, 3404580, 4085496, 5106870, 6809160, 10213740, 20427480]

約数ペア:

[(1, 20427480), (2, 10213740), (3, 6809160), (4, 5106870), (5, 4085496), (6, 3404580), (8, 2553435), (9, 2269720), (10, 2042748), (12, 1702290), (15, 1361832), (18, 1134860), (20, 1021374), (24, 851145), (30, 680916), (36, 567430), (40, 510687), (45, 453944), (60, 340458), (72, 283715), (90, 226972), (120, 170229), (179, 114120), (180, 113486), (317, 64440), (358, 57060), (360, 56743), (537, 38040), (634, 32220), (716, 28530), (895, 22824), (951, 21480), (1074, 19020), (1268, 16110), (1432, 14265), (1585, 12888), (1611, 12680), (1790, 11412), (1902, 10740), (2148, 9510), (2536, 8055), (2685, 7608), (2853, 7160), (3170, 6444), (3222, 6340), (3580, 5706), (3804, 5370), (4296, 4755)]