20178983376

素因数分解:

$2^4\times 3^2\times {\mathrm{181}}^1\times {\mathrm{331}}^1\times {\mathrm{2339}}^1$

素因数の和:2865

約数の個数: 120

約数和(自身を含む): 56981040480

約数和(自身を除く): 36802057104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 181, 331, 362, 543, 662, 724, 993, 1086, 1324, 1448, 1629, 1986, 2172, 2339, 2648, 2896, 2979, 3258, 3972, 4344, 4678, 5296, 5958, 6516, 7017, 7944, 8688, 9356, 11916, 13032, 14034, 15888, 18712, 21051, 23832, 26064, 28068, 37424, 42102, 47664, 56136, 59911, 84204, 112272, 119822, 168408, 179733, 239644, 336816, 359466, 423359, 479288, 539199, 718932, 774209, 846718, 958576, 1078398, 1270077, 1437864, 1548418, 1693436, 2156796, 2322627, 2540154, 2875728, 3096836, 3386872, 3810231, 4313592, 4645254, 5080308, 6193672, 6773744, 6967881, 7620462, 8627184, 9290508, 10160616, 12387344, 13935762, 15240924, 18581016, 20321232, 27871524, 30481848, 37162032, 55743048, 60963696, 111486096, 140131829, 280263658, 420395487, 560527316, 840790974, 1121054632, 1261186461, 1681581948, 2242109264, 2522372922, 3363163896, 5044745844, 6726327792, 10089491688, 20178983376]

約数ペア:

[(1, 20178983376), (2, 10089491688), (3, 6726327792), (4, 5044745844), (6, 3363163896), (8, 2522372922), (9, 2242109264), (12, 1681581948), (16, 1261186461), (18, 1121054632), (24, 840790974), (36, 560527316), (48, 420395487), (72, 280263658), (144, 140131829), (181, 111486096), (331, 60963696), (362, 55743048), (543, 37162032), (662, 30481848), (724, 27871524), (993, 20321232), (1086, 18581016), (1324, 15240924), (1448, 13935762), (1629, 12387344), (1986, 10160616), (2172, 9290508), (2339, 8627184), (2648, 7620462), (2896, 6967881), (2979, 6773744), (3258, 6193672), (3972, 5080308), (4344, 4645254), (4678, 4313592), (5296, 3810231), (5958, 3386872), (6516, 3096836), (7017, 2875728), (7944, 2540154), (8688, 2322627), (9356, 2156796), (11916, 1693436), (13032, 1548418), (14034, 1437864), (15888, 1270077), (18712, 1078398), (21051, 958576), (23832, 846718), (26064, 774209), (28068, 718932), (37424, 539199), (42102, 479288), (47664, 423359), (56136, 359466), (59911, 336816), (84204, 239644), (112272, 179733), (119822, 168408)]