20171979520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{204667}}^1$

素因数の和:204706

約数の個数: 144

約数和(自身を含む): 60241160448

約数和(自身を除く): 40069180928

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 2240, 2464, 2816, 3080, 3520, 4480, 4928, 6160, 7040, 8960, 9856, 12320, 14080, 19712, 24640, 49280, 98560, 204667, 409334, 818668, 1023335, 1432669, 1637336, 2046670, 2251337, 2865338, 3274672, 4093340, 4502674, 5730676, 6549344, 7163345, 8186680, 9005348, 11256685, 11461352, 13098688, 14326690, 15759359, 16373360, 18010696, 22513370, 22922704, 26197376, 28653380, 31518718, 32746720, 36021392, 45026740, 45845408, 52394752, 57306760, 63037436, 65493440, 72042784, 78796795, 90053480, 91690816, 114613520, 126074872, 130986880, 144085568, 157593590, 180106960, 183381632, 229227040, 252149744, 261973760, 288171136, 315187180, 360213920, 366763264, 458454080, 504299488, 576342272, 630374360, 720427840, 916908160, 1008598976, 1260748720, 1440855680, 1833816320, 2017197952, 2521497440, 2881711360, 4034395904, 5042994880, 10085989760, 20171979520]

約数ペア:

[(1, 20171979520), (2, 10085989760), (4, 5042994880), (5, 4034395904), (7, 2881711360), (8, 2521497440), (10, 2017197952), (11, 1833816320), (14, 1440855680), (16, 1260748720), (20, 1008598976), (22, 916908160), (28, 720427840), (32, 630374360), (35, 576342272), (40, 504299488), (44, 458454080), (55, 366763264), (56, 360213920), (64, 315187180), (70, 288171136), (77, 261973760), (80, 252149744), (88, 229227040), (110, 183381632), (112, 180106960), (128, 157593590), (140, 144085568), (154, 130986880), (160, 126074872), (176, 114613520), (220, 91690816), (224, 90053480), (256, 78796795), (280, 72042784), (308, 65493440), (320, 63037436), (352, 57306760), (385, 52394752), (440, 45845408), (448, 45026740), (560, 36021392), (616, 32746720), (640, 31518718), (704, 28653380), (770, 26197376), (880, 22922704), (896, 22513370), (1120, 18010696), (1232, 16373360), (1280, 15759359), (1408, 14326690), (1540, 13098688), (1760, 11461352), (1792, 11256685), (2240, 9005348), (2464, 8186680), (2816, 7163345), (3080, 6549344), (3520, 5730676), (4480, 4502674), (4928, 4093340), (6160, 3274672), (7040, 2865338), (8960, 2251337), (9856, 2046670), (12320, 1637336), (14080, 1432669), (19712, 1023335), (24640, 818668), (49280, 409334), (98560, 204667)]