20465070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 51217920

約数和(自身を除く): 30752850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 103, 111, 179, 185, 206, 222, 309, 358, 370, 515, 537, 555, 618, 895, 1030, 1074, 1110, 1545, 1790, 2685, 3090, 3811, 5370, 6623, 7622, 11433, 13246, 18437, 19055, 19869, 22866, 33115, 36874, 38110, 39738, 55311, 57165, 66230, 92185, 99345, 110622, 114330, 184370, 198690, 276555, 553110, 682169, 1364338, 2046507, 3410845, 4093014, 6821690, 10232535, 20465070]

約数ペア:

[(1, 20465070), (2, 10232535), (3, 6821690), (5, 4093014), (6, 3410845), (10, 2046507), (15, 1364338), (30, 682169), (37, 553110), (74, 276555), (103, 198690), (111, 184370), (179, 114330), (185, 110622), (206, 99345), (222, 92185), (309, 66230), (358, 57165), (370, 55311), (515, 39738), (537, 38110), (555, 36874), (618, 33115), (895, 22866), (1030, 19869), (1074, 19055), (1110, 18437), (1545, 13246), (1790, 11433), (2685, 7622), (3090, 6623), (3811, 5370)]