20138346976

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{1609}}^1$

素因数の和:1729

約数の個数: 144

約数和(自身を含む): 45928315440

約数和(自身を除く): 25789968464

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 37, 44, 62, 74, 88, 124, 148, 176, 248, 296, 341, 352, 407, 496, 592, 682, 814, 961, 992, 1147, 1184, 1364, 1609, 1628, 1922, 2294, 2728, 3218, 3256, 3844, 4588, 5456, 6436, 6512, 7688, 9176, 10571, 10912, 12617, 12872, 13024, 15376, 17699, 18352, 21142, 25234, 25744, 30752, 35398, 35557, 36704, 42284, 49879, 50468, 51488, 59533, 70796, 71114, 84568, 99758, 100936, 119066, 141592, 142228, 169136, 199516, 201872, 238132, 283184, 284456, 338272, 391127, 399032, 403744, 476264, 548669, 566368, 568912, 654863, 782254, 798064, 952528, 1097338, 1137824, 1309726, 1546249, 1564508, 1596128, 1845523, 1905056, 2194676, 2619452, 3092498, 3129016, 3691046, 4389352, 5238904, 6184996, 6258032, 7382092, 8778704, 10477808, 12369992, 12516064, 14764184, 17008739, 17557408, 20300753, 20955616, 24739984, 29528368, 34017478, 40601506, 49479968, 57211213, 59056736, 68034956, 81203012, 114422426, 136069912, 162406024, 228844852, 272139824, 324812048, 457689704, 544279648, 629323343, 649624096, 915379408, 1258646686, 1830758816, 2517293372, 5034586744, 10069173488, 20138346976]

約数ペア:

[(1, 20138346976), (2, 10069173488), (4, 5034586744), (8, 2517293372), (11, 1830758816), (16, 1258646686), (22, 915379408), (31, 649624096), (32, 629323343), (37, 544279648), (44, 457689704), (62, 324812048), (74, 272139824), (88, 228844852), (124, 162406024), (148, 136069912), (176, 114422426), (248, 81203012), (296, 68034956), (341, 59056736), (352, 57211213), (407, 49479968), (496, 40601506), (592, 34017478), (682, 29528368), (814, 24739984), (961, 20955616), (992, 20300753), (1147, 17557408), (1184, 17008739), (1364, 14764184), (1609, 12516064), (1628, 12369992), (1922, 10477808), (2294, 8778704), (2728, 7382092), (3218, 6258032), (3256, 6184996), (3844, 5238904), (4588, 4389352), (5456, 3691046), (6436, 3129016), (6512, 3092498), (7688, 2619452), (9176, 2194676), (10571, 1905056), (10912, 1845523), (12617, 1596128), (12872, 1564508), (13024, 1546249), (15376, 1309726), (17699, 1137824), (18352, 1097338), (21142, 952528), (25234, 798064), (25744, 782254), (30752, 654863), (35398, 568912), (35557, 566368), (36704, 548669), (42284, 476264), (49879, 403744), (50468, 399032), (51488, 391127), (59533, 338272), (70796, 284456), (71114, 283184), (84568, 238132), (99758, 201872), (100936, 199516), (119066, 169136), (141592, 142228)]