20797332591

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{9739}}^1$

素因数の和:10028

約数の個数: 48

約数和(自身を含む): 32866656000

約数和(自身を除く): 12069323409

約数列:

[1, 3, 7, 21, 49, 73, 147, 199, 219, 511, 597, 1393, 1533, 3577, 4179, 9739, 9751, 10731, 14527, 29217, 29253, 43581, 68173, 101689, 204519, 305067, 477211, 710947, 711823, 1431633, 1938061, 2132841, 2135469, 4976629, 5814183, 13566427, 14929887, 34836403, 40699281, 94964989, 104509209, 141478453, 284894967, 424435359, 990349171, 2971047513, 6932444197, 20797332591]

約数ペア:

[(1, 20797332591), (3, 6932444197), (7, 2971047513), (21, 990349171), (49, 424435359), (73, 284894967), (147, 141478453), (199, 104509209), (219, 94964989), (511, 40699281), (597, 34836403), (1393, 14929887), (1533, 13566427), (3577, 5814183), (4179, 4976629), (9739, 2135469), (9751, 2132841), (10731, 1938061), (14527, 1431633), (29217, 711823), (29253, 710947), (43581, 477211), (68173, 305067), (101689, 204519)]