20183543316

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{41161}}^1$

素因数の和:41481

約数の個数: 72

約数和(自身を含む): 52185677544

約数和(自身を除く): 32002134228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 257, 318, 477, 514, 636, 771, 954, 1028, 1542, 1908, 2313, 3084, 4626, 9252, 13621, 27242, 40863, 41161, 54484, 81726, 82322, 122589, 123483, 163452, 164644, 245178, 246966, 370449, 490356, 493932, 740898, 1481796, 2181533, 4363066, 6544599, 8726132, 10578377, 13089198, 19633797, 21156754, 26178396, 31735131, 39267594, 42313508, 63470262, 78535188, 95205393, 126940524, 190410786, 380821572, 560653981, 1121307962, 1681961943, 2242615924, 3363923886, 5045885829, 6727847772, 10091771658, 20183543316]

約数ペア:

[(1, 20183543316), (2, 10091771658), (3, 6727847772), (4, 5045885829), (6, 3363923886), (9, 2242615924), (12, 1681961943), (18, 1121307962), (36, 560653981), (53, 380821572), (106, 190410786), (159, 126940524), (212, 95205393), (257, 78535188), (318, 63470262), (477, 42313508), (514, 39267594), (636, 31735131), (771, 26178396), (954, 21156754), (1028, 19633797), (1542, 13089198), (1908, 10578377), (2313, 8726132), (3084, 6544599), (4626, 4363066), (9252, 2181533), (13621, 1481796), (27242, 740898), (40863, 493932), (41161, 490356), (54484, 370449), (81726, 246966), (82322, 245178), (122589, 164644), (123483, 163452)]