20247540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{17761}}^1$

素因数の和:17792

約数の個数: 48

約数和(自身を含む): 59680320

約数和(自身を除く): 39432780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 17761, 35522, 53283, 71044, 88805, 106566, 177610, 213132, 266415, 337459, 355220, 532830, 674918, 1012377, 1065660, 1349836, 1687295, 2024754, 3374590, 4049508, 5061885, 6749180, 10123770, 20247540]

約数ペア:

[(1, 20247540), (2, 10123770), (3, 6749180), (4, 5061885), (5, 4049508), (6, 3374590), (10, 2024754), (12, 1687295), (15, 1349836), (19, 1065660), (20, 1012377), (30, 674918), (38, 532830), (57, 355220), (60, 337459), (76, 266415), (95, 213132), (114, 177610), (190, 106566), (228, 88805), (285, 71044), (380, 53283), (570, 35522), (1140, 17761)]