20194114940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{499607}}^1$

素因数の和:499706

約数の個数: 48

約数和(自身を含む): 44317228032

約数和(自身を除く): 24123113092

約数列:

[1, 2, 4, 5, 10, 20, 43, 47, 86, 94, 172, 188, 215, 235, 430, 470, 860, 940, 2021, 4042, 8084, 10105, 20210, 40420, 499607, 999214, 1998428, 2498035, 4996070, 9992140, 21483101, 23481529, 42966202, 46963058, 85932404, 93926116, 107415505, 117407645, 214831010, 234815290, 429662020, 469630580, 1009705747, 2019411494, 4038822988, 5048528735, 10097057470, 20194114940]

約数ペア:

[(1, 20194114940), (2, 10097057470), (4, 5048528735), (5, 4038822988), (10, 2019411494), (20, 1009705747), (43, 469630580), (47, 429662020), (86, 234815290), (94, 214831010), (172, 117407645), (188, 107415505), (215, 93926116), (235, 85932404), (430, 46963058), (470, 42966202), (860, 23481529), (940, 21483101), (2021, 9992140), (4042, 4996070), (8084, 2498035), (10105, 1998428), (20210, 999214), (40420, 499607)]