20834976780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{479}}^1\times {\mathrm{1447}}^1$

素因数の和:2108

約数の個数: 144

約数和(自身を含む): 63754629120

約数和(自身を除く): 42919652340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 167, 180, 334, 479, 501, 668, 835, 958, 1002, 1437, 1447, 1503, 1670, 1916, 2004, 2395, 2505, 2874, 2894, 3006, 3340, 4311, 4341, 4790, 5010, 5748, 5788, 6012, 7185, 7235, 7515, 8622, 8682, 9580, 10020, 13023, 14370, 14470, 15030, 17244, 17364, 21555, 21705, 26046, 28740, 28940, 30060, 43110, 43410, 52092, 65115, 79993, 86220, 86820, 130230, 159986, 239979, 241649, 260460, 319972, 399965, 479958, 483298, 693113, 719937, 724947, 799930, 959916, 966596, 1199895, 1208245, 1386226, 1439874, 1449894, 1599860, 2079339, 2174841, 2399790, 2416490, 2772452, 2879748, 2899788, 3465565, 3599685, 3624735, 4158678, 4349682, 4799580, 4832980, 6238017, 6931130, 7199370, 7249470, 8317356, 8699364, 10396695, 10874205, 12476034, 13862260, 14398740, 14498940, 20793390, 21748410, 24952068, 31190085, 41586780, 43496820, 62380170, 115749871, 124760340, 231499742, 347249613, 462999484, 578749355, 694499226, 1041748839, 1157498710, 1388998452, 1736248065, 2083497678, 2314997420, 3472496130, 4166995356, 5208744195, 6944992260, 10417488390, 20834976780]

約数ペア:

[(1, 20834976780), (2, 10417488390), (3, 6944992260), (4, 5208744195), (5, 4166995356), (6, 3472496130), (9, 2314997420), (10, 2083497678), (12, 1736248065), (15, 1388998452), (18, 1157498710), (20, 1041748839), (30, 694499226), (36, 578749355), (45, 462999484), (60, 347249613), (90, 231499742), (167, 124760340), (180, 115749871), (334, 62380170), (479, 43496820), (501, 41586780), (668, 31190085), (835, 24952068), (958, 21748410), (1002, 20793390), (1437, 14498940), (1447, 14398740), (1503, 13862260), (1670, 12476034), (1916, 10874205), (2004, 10396695), (2395, 8699364), (2505, 8317356), (2874, 7249470), (2894, 7199370), (3006, 6931130), (3340, 6238017), (4311, 4832980), (4341, 4799580), (4790, 4349682), (5010, 4158678), (5748, 3624735), (5788, 3599685), (6012, 3465565), (7185, 2899788), (7235, 2879748), (7515, 2772452), (8622, 2416490), (8682, 2399790), (9580, 2174841), (10020, 2079339), (13023, 1599860), (14370, 1449894), (14470, 1439874), (15030, 1386226), (17244, 1208245), (17364, 1199895), (21555, 966596), (21705, 959916), (26046, 799930), (28740, 724947), (28940, 719937), (30060, 693113), (43110, 483298), (43410, 479958), (52092, 399965), (65115, 319972), (79993, 260460), (86220, 241649), (86820, 239979), (130230, 159986)]