20422620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4933}}^1$

素因数の和:4971

約数の個数: 72

約数和(自身を含む): 64655136

約数和(自身を除く): 44232516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 4933, 9866, 14799, 19732, 24665, 29598, 44397, 49330, 59196, 73995, 88794, 98660, 113459, 147990, 177588, 221985, 226918, 295980, 340377, 443970, 453836, 567295, 680754, 887940, 1021131, 1134590, 1361508, 1701885, 2042262, 2269180, 3403770, 4084524, 5105655, 6807540, 10211310, 20422620]

約数ペア:

[(1, 20422620), (2, 10211310), (3, 6807540), (4, 5105655), (5, 4084524), (6, 3403770), (9, 2269180), (10, 2042262), (12, 1701885), (15, 1361508), (18, 1134590), (20, 1021131), (23, 887940), (30, 680754), (36, 567295), (45, 453836), (46, 443970), (60, 340377), (69, 295980), (90, 226918), (92, 221985), (115, 177588), (138, 147990), (180, 113459), (207, 98660), (230, 88794), (276, 73995), (345, 59196), (414, 49330), (460, 44397), (690, 29598), (828, 24665), (1035, 19732), (1380, 14799), (2070, 9866), (4140, 4933)]