20210736975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1884451}}^1$

素因数の和:1884488

約数の個数: 48

約数和(自身を含む): 39256904064

約数和(自身を除く): 19046167089

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 2145, 3575, 10725, 1884451, 5653353, 9422255, 20728961, 24497863, 28266765, 47111275, 62186883, 73493589, 103644805, 122489315, 141333825, 269476493, 310934415, 367467945, 518224025, 612446575, 808429479, 1347382465, 1554672075, 1837339725, 4042147395, 6736912325, 20210736975]

約数ペア:

[(1, 20210736975), (3, 6736912325), (5, 4042147395), (11, 1837339725), (13, 1554672075), (15, 1347382465), (25, 808429479), (33, 612446575), (39, 518224025), (55, 367467945), (65, 310934415), (75, 269476493), (143, 141333825), (165, 122489315), (195, 103644805), (275, 73493589), (325, 62186883), (429, 47111275), (715, 28266765), (825, 24497863), (975, 20728961), (2145, 9422255), (3575, 5653353), (10725, 1884451)]