20955306528

素因数分解:

$2^5\times 3^4\times {\mathrm{13}}^1\times {\mathrm{621893}}^1$

素因数の和:621928

約数の個数: 120

約数和(自身を含む): 66369771468

約数和(自身を除く): 45414464940

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 72, 78, 81, 96, 104, 108, 117, 144, 156, 162, 208, 216, 234, 288, 312, 324, 351, 416, 432, 468, 624, 648, 702, 864, 936, 1053, 1248, 1296, 1404, 1872, 2106, 2592, 2808, 3744, 4212, 5616, 8424, 11232, 16848, 33696, 621893, 1243786, 1865679, 2487572, 3731358, 4975144, 5597037, 7462716, 8084609, 9950288, 11194074, 14925432, 16169218, 16791111, 19900576, 22388148, 24253827, 29850864, 32338436, 33582222, 44776296, 48507654, 50373333, 59701728, 64676872, 67164444, 72761481, 89552592, 97015308, 100746666, 129353744, 134328888, 145522962, 179105184, 194030616, 201493332, 218284443, 258707488, 268657776, 291045924, 388061232, 402986664, 436568886, 537315552, 582091848, 654853329, 776122464, 805973328, 873137772, 1164183696, 1309706658, 1611946656, 1746275544, 2328367392, 2619413316, 3492551088, 5238826632, 6985102176, 10477653264, 20955306528]

約数ペア:

[(1, 20955306528), (2, 10477653264), (3, 6985102176), (4, 5238826632), (6, 3492551088), (8, 2619413316), (9, 2328367392), (12, 1746275544), (13, 1611946656), (16, 1309706658), (18, 1164183696), (24, 873137772), (26, 805973328), (27, 776122464), (32, 654853329), (36, 582091848), (39, 537315552), (48, 436568886), (52, 402986664), (54, 388061232), (72, 291045924), (78, 268657776), (81, 258707488), (96, 218284443), (104, 201493332), (108, 194030616), (117, 179105184), (144, 145522962), (156, 134328888), (162, 129353744), (208, 100746666), (216, 97015308), (234, 89552592), (288, 72761481), (312, 67164444), (324, 64676872), (351, 59701728), (416, 50373333), (432, 48507654), (468, 44776296), (624, 33582222), (648, 32338436), (702, 29850864), (864, 24253827), (936, 22388148), (1053, 19900576), (1248, 16791111), (1296, 16169218), (1404, 14925432), (1872, 11194074), (2106, 9950288), (2592, 8084609), (2808, 7462716), (3744, 5597037), (4212, 4975144), (5616, 3731358), (8424, 2487572), (11232, 1865679), (16848, 1243786), (33696, 621893)]