20736691821

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{88861}}^1$

素因数の和:88983

約数の個数: 40

約数和(自身を含む): 32170887584

約数和(自身を除く): 11434195763

約数列:

[1, 3, 9, 27, 43, 67, 81, 129, 201, 387, 603, 1161, 1809, 2881, 3483, 5427, 8643, 25929, 77787, 88861, 233361, 266583, 799749, 2399247, 3821023, 5953687, 7197741, 11463069, 17861061, 34389207, 53583183, 103167621, 160749549, 256008541, 309502863, 482248647, 768025623, 2304076869, 6912230607, 20736691821]

約数ペア:

[(1, 20736691821), (3, 6912230607), (9, 2304076869), (27, 768025623), (43, 482248647), (67, 309502863), (81, 256008541), (129, 160749549), (201, 103167621), (387, 53583183), (603, 34389207), (1161, 17861061), (1809, 11463069), (2881, 7197741), (3483, 5953687), (5427, 3821023), (8643, 2399247), (25929, 799749), (77787, 266583), (88861, 233361)]