20084102020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4177}}^1\times {\mathrm{5591}}^1$

素因数の和:9820

約数の個数: 48

約数和(自身を含む): 43175518848

約数和(自身を除く): 23091416828

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 4177, 5591, 8354, 11182, 16708, 20885, 22364, 27955, 41770, 55910, 83540, 111820, 179611, 240413, 359222, 480826, 718444, 898055, 961652, 1202065, 1796110, 2404130, 3592220, 4808260, 23353607, 46707214, 93414428, 116768035, 233536070, 467072140, 1004205101, 2008410202, 4016820404, 5021025505, 10042051010, 20084102020]

約数ペア:

[(1, 20084102020), (2, 10042051010), (4, 5021025505), (5, 4016820404), (10, 2008410202), (20, 1004205101), (43, 467072140), (86, 233536070), (172, 116768035), (215, 93414428), (430, 46707214), (860, 23353607), (4177, 4808260), (5591, 3592220), (8354, 2404130), (11182, 1796110), (16708, 1202065), (20885, 961652), (22364, 898055), (27955, 718444), (41770, 480826), (55910, 359222), (83540, 240413), (111820, 179611)]