20512695576

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{2953}}^1$

素因数の和:3185

約数の個数: 128

約数和(自身を含む): 53903646720

約数和(自身を除く): 33390951144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 53, 86, 106, 127, 129, 159, 172, 212, 254, 258, 318, 344, 381, 424, 508, 516, 636, 762, 1016, 1032, 1272, 1524, 2279, 2953, 3048, 4558, 5461, 5906, 6731, 6837, 8859, 9116, 10922, 11812, 13462, 13674, 16383, 17718, 18232, 20193, 21844, 23624, 26924, 27348, 32766, 35436, 40386, 43688, 53848, 54696, 65532, 70872, 80772, 126979, 131064, 156509, 161544, 253958, 289433, 313018, 375031, 380937, 469527, 507916, 578866, 626036, 750062, 761874, 868299, 939054, 1015832, 1125093, 1157732, 1252072, 1500124, 1523748, 1736598, 1878108, 2250186, 2315464, 3000248, 3047496, 3473196, 3756216, 4500372, 6729887, 6946392, 9000744, 13459774, 16126333, 19876643, 20189661, 26919548, 32252666, 39753286, 40379322, 48378999, 53839096, 59629929, 64505332, 79506572, 80758644, 96757998, 119259858, 129010664, 159013144, 161517288, 193515996, 238519716, 387031992, 477039432, 854695649, 1709391298, 2564086947, 3418782596, 5128173894, 6837565192, 10256347788, 20512695576]

約数ペア:

[(1, 20512695576), (2, 10256347788), (3, 6837565192), (4, 5128173894), (6, 3418782596), (8, 2564086947), (12, 1709391298), (24, 854695649), (43, 477039432), (53, 387031992), (86, 238519716), (106, 193515996), (127, 161517288), (129, 159013144), (159, 129010664), (172, 119259858), (212, 96757998), (254, 80758644), (258, 79506572), (318, 64505332), (344, 59629929), (381, 53839096), (424, 48378999), (508, 40379322), (516, 39753286), (636, 32252666), (762, 26919548), (1016, 20189661), (1032, 19876643), (1272, 16126333), (1524, 13459774), (2279, 9000744), (2953, 6946392), (3048, 6729887), (4558, 4500372), (5461, 3756216), (5906, 3473196), (6731, 3047496), (6837, 3000248), (8859, 2315464), (9116, 2250186), (10922, 1878108), (11812, 1736598), (13462, 1523748), (13674, 1500124), (16383, 1252072), (17718, 1157732), (18232, 1125093), (20193, 1015832), (21844, 939054), (23624, 868299), (26924, 761874), (27348, 750062), (32766, 626036), (35436, 578866), (40386, 507916), (43688, 469527), (53848, 380937), (54696, 375031), (65532, 313018), (70872, 289433), (80772, 253958), (126979, 161544), (131064, 156509)]