20163622640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1161499}}^1$

素因数の和:1161550

約数の個数: 80

約数和(自身を含む): 55305984000

約数和(自身を除く): 35142361360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 17360, 1161499, 2322998, 4645996, 5807495, 8130493, 9291992, 11614990, 16260986, 18583984, 23229980, 32521972, 36006469, 40652465, 46459960, 65043944, 72012938, 81304930, 92919920, 130087888, 144025876, 162609860, 180032345, 252045283, 288051752, 325219720, 360064690, 504090566, 576103504, 650439440, 720129380, 1008181132, 1260226415, 1440258760, 2016362264, 2520452830, 2880517520, 4032724528, 5040905660, 10081811320, 20163622640]

約数ペア:

[(1, 20163622640), (2, 10081811320), (4, 5040905660), (5, 4032724528), (7, 2880517520), (8, 2520452830), (10, 2016362264), (14, 1440258760), (16, 1260226415), (20, 1008181132), (28, 720129380), (31, 650439440), (35, 576103504), (40, 504090566), (56, 360064690), (62, 325219720), (70, 288051752), (80, 252045283), (112, 180032345), (124, 162609860), (140, 144025876), (155, 130087888), (217, 92919920), (248, 81304930), (280, 72012938), (310, 65043944), (434, 46459960), (496, 40652465), (560, 36006469), (620, 32521972), (868, 23229980), (1085, 18583984), (1240, 16260986), (1736, 11614990), (2170, 9291992), (2480, 8130493), (3472, 5807495), (4340, 4645996), (8680, 2322998), (17360, 1161499)]