20426580

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{467}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 64471680

約数和(自身を除く): 44045100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 467, 486, 540, 729, 810, 934, 972, 1215, 1401, 1458, 1620, 1868, 2187, 2335, 2430, 2802, 2916, 3645, 4203, 4374, 4670, 4860, 5604, 7005, 7290, 8406, 8748, 9340, 10935, 12609, 14010, 14580, 16812, 21015, 21870, 25218, 28020, 37827, 42030, 43740, 50436, 63045, 75654, 84060, 113481, 126090, 151308, 189135, 226962, 252180, 340443, 378270, 453924, 567405, 680886, 756540, 1021329, 1134810, 1361772, 1702215, 2042658, 2269620, 3404430, 4085316, 5106645, 6808860, 10213290, 20426580]

約数ペア:

[(1, 20426580), (2, 10213290), (3, 6808860), (4, 5106645), (5, 4085316), (6, 3404430), (9, 2269620), (10, 2042658), (12, 1702215), (15, 1361772), (18, 1134810), (20, 1021329), (27, 756540), (30, 680886), (36, 567405), (45, 453924), (54, 378270), (60, 340443), (81, 252180), (90, 226962), (108, 189135), (135, 151308), (162, 126090), (180, 113481), (243, 84060), (270, 75654), (324, 63045), (405, 50436), (467, 43740), (486, 42030), (540, 37827), (729, 28020), (810, 25218), (934, 21870), (972, 21015), (1215, 16812), (1401, 14580), (1458, 14010), (1620, 12609), (1868, 10935), (2187, 9340), (2335, 8748), (2430, 8406), (2802, 7290), (2916, 7005), (3645, 5604), (4203, 4860), (4374, 4670)]