20069070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 55420416

約数和(自身を除く): 35351346

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 227, 421, 454, 681, 842, 1135, 1263, 1362, 1589, 2105, 2270, 2526, 2947, 3178, 3405, 4210, 4767, 5894, 6315, 6810, 7945, 8841, 9534, 12630, 14735, 15890, 17682, 23835, 29470, 44205, 47670, 88410, 95567, 191134, 286701, 477835, 573402, 668969, 955670, 1337938, 1433505, 2006907, 2867010, 3344845, 4013814, 6689690, 10034535, 20069070]

約数ペア:

[(1, 20069070), (2, 10034535), (3, 6689690), (5, 4013814), (6, 3344845), (7, 2867010), (10, 2006907), (14, 1433505), (15, 1337938), (21, 955670), (30, 668969), (35, 573402), (42, 477835), (70, 286701), (105, 191134), (210, 95567), (227, 88410), (421, 47670), (454, 44205), (681, 29470), (842, 23835), (1135, 17682), (1263, 15890), (1362, 14735), (1589, 12630), (2105, 9534), (2270, 8841), (2526, 7945), (2947, 6810), (3178, 6315), (3405, 5894), (4210, 4767)]