20989802352

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{886993}}^1$

素因数の和:887050

約数の個数: 80

約数和(自身を含む): 59393118240

約数和(自身を除く): 38403315888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 34, 48, 51, 58, 68, 87, 102, 116, 136, 174, 204, 232, 272, 348, 408, 464, 493, 696, 816, 986, 1392, 1479, 1972, 2958, 3944, 5916, 7888, 11832, 23664, 886993, 1773986, 2660979, 3547972, 5321958, 7095944, 10643916, 14191888, 15078881, 21287832, 25722797, 30157762, 42575664, 45236643, 51445594, 60315524, 77168391, 90473286, 102891188, 120631048, 154336782, 180946572, 205782376, 241262096, 308673564, 361893144, 411564752, 437287549, 617347128, 723786288, 874575098, 1234694256, 1311862647, 1749150196, 2623725294, 3498300392, 5247450588, 6996600784, 10494901176, 20989802352]

約数ペア:

[(1, 20989802352), (2, 10494901176), (3, 6996600784), (4, 5247450588), (6, 3498300392), (8, 2623725294), (12, 1749150196), (16, 1311862647), (17, 1234694256), (24, 874575098), (29, 723786288), (34, 617347128), (48, 437287549), (51, 411564752), (58, 361893144), (68, 308673564), (87, 241262096), (102, 205782376), (116, 180946572), (136, 154336782), (174, 120631048), (204, 102891188), (232, 90473286), (272, 77168391), (348, 60315524), (408, 51445594), (464, 45236643), (493, 42575664), (696, 30157762), (816, 25722797), (986, 21287832), (1392, 15078881), (1479, 14191888), (1972, 10643916), (2958, 7095944), (3944, 5321958), (5916, 3547972), (7888, 2660979), (11832, 1773986), (23664, 886993)]