20237910273

素因数分解:

$3^2\times 7^2\times {\mathrm{197}}^1\times {\mathrm{281}}^1\times {\mathrm{829}}^1$

素因数の和:1327

約数の個数: 72

約数和(自身を含む): 34340815080

約数和(自身を除く): 14102904807

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 197, 281, 441, 591, 829, 843, 1379, 1773, 1967, 2487, 2529, 4137, 5803, 5901, 7461, 9653, 12411, 13769, 17409, 17703, 28959, 40621, 41307, 52227, 55357, 86877, 121863, 123921, 163313, 166071, 232949, 365589, 387499, 489939, 498213, 698847, 1143191, 1162497, 1469817, 1630643, 2096541, 2712493, 3429573, 3487491, 4891929, 8002337, 8137479, 10288719, 11414501, 14675787, 24007011, 24412437, 34243503, 45890953, 72021033, 102730509, 137672859, 321236671, 413018577, 963710013, 2248656697, 2891130039, 6745970091, 20237910273]

約数ペア:

[(1, 20237910273), (3, 6745970091), (7, 2891130039), (9, 2248656697), (21, 963710013), (49, 413018577), (63, 321236671), (147, 137672859), (197, 102730509), (281, 72021033), (441, 45890953), (591, 34243503), (829, 24412437), (843, 24007011), (1379, 14675787), (1773, 11414501), (1967, 10288719), (2487, 8137479), (2529, 8002337), (4137, 4891929), (5803, 3487491), (5901, 3429573), (7461, 2712493), (9653, 2096541), (12411, 1630643), (13769, 1469817), (17409, 1162497), (17703, 1143191), (28959, 698847), (40621, 498213), (41307, 489939), (52227, 387499), (55357, 365589), (86877, 232949), (121863, 166071), (123921, 163313)]