20199224988

素因数分解:

$2^2\times 3^4\times {\mathrm{157}}^1\times {\mathrm{479}}^1\times {\mathrm{829}}^1$

素因数の和:1481

約数の個数: 120

約数和(自身を含む): 53316278400

約数和(自身を除く): 33117053412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 157, 162, 314, 324, 471, 479, 628, 829, 942, 958, 1413, 1437, 1658, 1884, 1916, 2487, 2826, 2874, 3316, 4239, 4311, 4974, 5652, 5748, 7461, 8478, 8622, 9948, 12717, 12933, 14922, 16956, 17244, 22383, 25434, 25866, 29844, 38799, 44766, 50868, 51732, 67149, 75203, 77598, 89532, 130153, 134298, 150406, 155196, 225609, 260306, 268596, 300812, 390459, 397091, 451218, 520612, 676827, 780918, 794182, 902436, 1171377, 1191273, 1353654, 1561836, 1588364, 2030481, 2342754, 2382546, 2707308, 3514131, 3573819, 4060962, 4685508, 4765092, 6091443, 7028262, 7147638, 8121924, 10542393, 10721457, 12182886, 14056524, 14295276, 21084786, 21442914, 24365772, 32164371, 42169572, 42885828, 62343287, 64328742, 124686574, 128657484, 187029861, 249373148, 374059722, 561089583, 748119444, 1122179166, 1683268749, 2244358332, 3366537498, 5049806247, 6733074996, 10099612494, 20199224988]

約数ペア:

[(1, 20199224988), (2, 10099612494), (3, 6733074996), (4, 5049806247), (6, 3366537498), (9, 2244358332), (12, 1683268749), (18, 1122179166), (27, 748119444), (36, 561089583), (54, 374059722), (81, 249373148), (108, 187029861), (157, 128657484), (162, 124686574), (314, 64328742), (324, 62343287), (471, 42885828), (479, 42169572), (628, 32164371), (829, 24365772), (942, 21442914), (958, 21084786), (1413, 14295276), (1437, 14056524), (1658, 12182886), (1884, 10721457), (1916, 10542393), (2487, 8121924), (2826, 7147638), (2874, 7028262), (3316, 6091443), (4239, 4765092), (4311, 4685508), (4974, 4060962), (5652, 3573819), (5748, 3514131), (7461, 2707308), (8478, 2382546), (8622, 2342754), (9948, 2030481), (12717, 1588364), (12933, 1561836), (14922, 1353654), (16956, 1191273), (17244, 1171377), (22383, 902436), (25434, 794182), (25866, 780918), (29844, 676827), (38799, 520612), (44766, 451218), (50868, 397091), (51732, 390459), (67149, 300812), (75203, 268596), (77598, 260306), (89532, 225609), (130153, 155196), (134298, 150406)]