20923082908

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:652

約数の個数: 144

約数和(自身を含む): 46572403584

約数和(自身を除く): 25649320676

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 157, 182, 193, 196, 271, 314, 364, 386, 542, 628, 637, 772, 1084, 1099, 1274, 1351, 1897, 2041, 2198, 2509, 2548, 2702, 3523, 3794, 4082, 4396, 5018, 5404, 7046, 7588, 7693, 8164, 9457, 10036, 13279, 14092, 14287, 15386, 17563, 18914, 24661, 26558, 28574, 30301, 30772, 35126, 37828, 42547, 49322, 52303, 53116, 57148, 60602, 70252, 85094, 98644, 100009, 104606, 121204, 122941, 170188, 172627, 200018, 209212, 212107, 245882, 297829, 345254, 366121, 393913, 400036, 424214, 491764, 553111, 595658, 679939, 690508, 732242, 787826, 848428, 1106222, 1191316, 1359878, 1464484, 1484749, 1575652, 2084803, 2212444, 2562847, 2719756, 2757391, 2969498, 3871777, 4169606, 4759573, 5125694, 5514782, 5938996, 7743554, 8211571, 8339212, 9519146, 10251388, 11029564, 15487108, 16423142, 19038292, 19301737, 27102439, 32846284, 33317011, 38603474, 54204878, 57480997, 66634022, 77206948, 106750423, 108409756, 114961994, 133268044, 213500846, 229923988, 402366979, 427001692, 747252961, 804733958, 1494505922, 1609467916, 2989011844, 5230770727, 10461541454, 20923082908]

約数ペア:

[(1, 20923082908), (2, 10461541454), (4, 5230770727), (7, 2989011844), (13, 1609467916), (14, 1494505922), (26, 804733958), (28, 747252961), (49, 427001692), (52, 402366979), (91, 229923988), (98, 213500846), (157, 133268044), (182, 114961994), (193, 108409756), (196, 106750423), (271, 77206948), (314, 66634022), (364, 57480997), (386, 54204878), (542, 38603474), (628, 33317011), (637, 32846284), (772, 27102439), (1084, 19301737), (1099, 19038292), (1274, 16423142), (1351, 15487108), (1897, 11029564), (2041, 10251388), (2198, 9519146), (2509, 8339212), (2548, 8211571), (2702, 7743554), (3523, 5938996), (3794, 5514782), (4082, 5125694), (4396, 4759573), (5018, 4169606), (5404, 3871777), (7046, 2969498), (7588, 2757391), (7693, 2719756), (8164, 2562847), (9457, 2212444), (10036, 2084803), (13279, 1575652), (14092, 1484749), (14287, 1464484), (15386, 1359878), (17563, 1191316), (18914, 1106222), (24661, 848428), (26558, 787826), (28574, 732242), (30301, 690508), (30772, 679939), (35126, 595658), (37828, 553111), (42547, 491764), (49322, 424214), (52303, 400036), (53116, 393913), (57148, 366121), (60602, 345254), (70252, 297829), (85094, 245882), (98644, 212107), (100009, 209212), (104606, 200018), (121204, 172627), (122941, 170188)]