20197836

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 120

約数和(自身を含む): 59154480

約数和(自身を除く): 38956644

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 51, 54, 57, 68, 76, 81, 102, 108, 114, 153, 162, 171, 193, 204, 228, 306, 323, 324, 342, 386, 459, 513, 579, 612, 646, 684, 772, 918, 969, 1026, 1158, 1292, 1377, 1539, 1737, 1836, 1938, 2052, 2316, 2754, 2907, 3078, 3281, 3474, 3667, 3876, 5211, 5508, 5814, 6156, 6562, 6948, 7334, 8721, 9843, 10422, 11001, 11628, 13124, 14668, 15633, 17442, 19686, 20844, 22002, 26163, 29529, 31266, 33003, 34884, 39372, 44004, 52326, 59058, 62339, 62532, 66006, 88587, 99009, 104652, 118116, 124678, 132012, 177174, 187017, 198018, 249356, 265761, 297027, 354348, 374034, 396036, 531522, 561051, 594054, 748068, 1063044, 1122102, 1188108, 1683153, 2244204, 3366306, 5049459, 6732612, 10098918, 20197836]

約数ペア:

[(1, 20197836), (2, 10098918), (3, 6732612), (4, 5049459), (6, 3366306), (9, 2244204), (12, 1683153), (17, 1188108), (18, 1122102), (19, 1063044), (27, 748068), (34, 594054), (36, 561051), (38, 531522), (51, 396036), (54, 374034), (57, 354348), (68, 297027), (76, 265761), (81, 249356), (102, 198018), (108, 187017), (114, 177174), (153, 132012), (162, 124678), (171, 118116), (193, 104652), (204, 99009), (228, 88587), (306, 66006), (323, 62532), (324, 62339), (342, 59058), (386, 52326), (459, 44004), (513, 39372), (579, 34884), (612, 33003), (646, 31266), (684, 29529), (772, 26163), (918, 22002), (969, 20844), (1026, 19686), (1158, 17442), (1292, 15633), (1377, 14668), (1539, 13124), (1737, 11628), (1836, 11001), (1938, 10422), (2052, 9843), (2316, 8721), (2754, 7334), (2907, 6948), (3078, 6562), (3281, 6156), (3474, 5814), (3667, 5508), (3876, 5211)]