20218534060

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{155599}}^1$

素因数の和:155770

約数の個数: 48

約数和(自身を含む): 43524432000

約数和(自身を除く): 23305897940

約数列:

[1, 2, 4, 5, 10, 20, 73, 89, 146, 178, 292, 356, 365, 445, 730, 890, 1460, 1780, 6497, 12994, 25988, 32485, 64970, 129940, 155599, 311198, 622396, 777995, 1555990, 3111980, 11358727, 13848311, 22717454, 27696622, 45434908, 55393244, 56793635, 69241555, 113587270, 138483110, 227174540, 276966220, 1010926703, 2021853406, 4043706812, 5054633515, 10109267030, 20218534060]

約数ペア:

[(1, 20218534060), (2, 10109267030), (4, 5054633515), (5, 4043706812), (10, 2021853406), (20, 1010926703), (73, 276966220), (89, 227174540), (146, 138483110), (178, 113587270), (292, 69241555), (356, 56793635), (365, 55393244), (445, 45434908), (730, 27696622), (890, 22717454), (1460, 13848311), (1780, 11358727), (6497, 3111980), (12994, 1555990), (25988, 777995), (32485, 622396), (64970, 311198), (129940, 155599)]