20176960700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2027}}^1$

素因数の和:2117

約数の個数: 216

約数和(自身を含む): 51541701120

約数和(自身を除く): 31364740420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 31, 38, 50, 52, 62, 65, 76, 95, 100, 124, 130, 155, 169, 190, 247, 260, 310, 325, 338, 380, 403, 475, 494, 589, 620, 650, 676, 775, 806, 845, 950, 988, 1178, 1235, 1300, 1550, 1612, 1690, 1900, 2015, 2027, 2356, 2470, 2945, 3100, 3211, 3380, 4030, 4054, 4225, 4940, 5239, 5890, 6175, 6422, 7657, 8060, 8108, 8450, 10075, 10135, 10478, 11780, 12350, 12844, 14725, 15314, 16055, 16900, 20150, 20270, 20956, 24700, 26195, 26351, 29450, 30628, 32110, 38285, 38513, 40300, 40540, 50675, 52390, 52702, 58900, 62837, 64220, 76570, 77026, 80275, 99541, 101350, 104780, 105404, 125674, 130975, 131755, 153140, 154052, 160550, 191425, 192565, 199082, 202700, 251348, 261950, 263510, 314185, 321100, 342563, 382850, 385130, 398164, 497705, 500669, 523900, 527020, 628370, 658775, 685126, 765700, 770260, 816881, 962825, 995410, 1001338, 1193903, 1256740, 1317550, 1370252, 1570925, 1633762, 1712815, 1925650, 1990820, 2002676, 2387806, 2488525, 2503345, 2635100, 3141850, 3267524, 3425630, 3851300, 4084405, 4775612, 4977050, 5006690, 5969515, 6283700, 6508697, 6851260, 8168810, 8564075, 9954100, 10013380, 10619453, 11939030, 12516725, 13017394, 15520739, 16337620, 17128150, 20422025, 21238906, 23878060, 25033450, 26034788, 29847575, 31041478, 32543485, 34256300, 40844050, 42477812, 50066900, 53097265, 59695150, 62082956, 65086970, 77603695, 81688100, 106194530, 119390300, 130173940, 155207390, 162717425, 201769607, 212389060, 265486325, 310414780, 325434850, 388018475, 403539214, 530972650, 650869700, 776036950, 807078428, 1008848035, 1061945300, 1552073900, 2017696070, 4035392140, 5044240175, 10088480350, 20176960700]

約数ペア:

[(1, 20176960700), (2, 10088480350), (4, 5044240175), (5, 4035392140), (10, 2017696070), (13, 1552073900), (19, 1061945300), (20, 1008848035), (25, 807078428), (26, 776036950), (31, 650869700), (38, 530972650), (50, 403539214), (52, 388018475), (62, 325434850), (65, 310414780), (76, 265486325), (95, 212389060), (100, 201769607), (124, 162717425), (130, 155207390), (155, 130173940), (169, 119390300), (190, 106194530), (247, 81688100), (260, 77603695), (310, 65086970), (325, 62082956), (338, 59695150), (380, 53097265), (403, 50066900), (475, 42477812), (494, 40844050), (589, 34256300), (620, 32543485), (650, 31041478), (676, 29847575), (775, 26034788), (806, 25033450), (845, 23878060), (950, 21238906), (988, 20422025), (1178, 17128150), (1235, 16337620), (1300, 15520739), (1550, 13017394), (1612, 12516725), (1690, 11939030), (1900, 10619453), (2015, 10013380), (2027, 9954100), (2356, 8564075), (2470, 8168810), (2945, 6851260), (3100, 6508697), (3211, 6283700), (3380, 5969515), (4030, 5006690), (4054, 4977050), (4225, 4775612), (4940, 4084405), (5239, 3851300), (5890, 3425630), (6175, 3267524), (6422, 3141850), (7657, 2635100), (8060, 2503345), (8108, 2488525), (8450, 2387806), (10075, 2002676), (10135, 1990820), (10478, 1925650), (11780, 1712815), (12350, 1633762), (12844, 1570925), (14725, 1370252), (15314, 1317550), (16055, 1256740), (16900, 1193903), (20150, 1001338), (20270, 995410), (20956, 962825), (24700, 816881), (26195, 770260), (26351, 765700), (29450, 685126), (30628, 658775), (32110, 628370), (38285, 527020), (38513, 523900), (40300, 500669), (40540, 497705), (50675, 398164), (52390, 385130), (52702, 382850), (58900, 342563), (62837, 321100), (64220, 314185), (76570, 263510), (77026, 261950), (80275, 251348), (99541, 202700), (101350, 199082), (104780, 192565), (105404, 191425), (125674, 160550), (130975, 154052), (131755, 153140)]