20783969253

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{619}}^1\times {\mathrm{3803}}^1$

素因数の和:4543

約数の個数: 40

約数和(自身を含む): 31391368800

約数和(自身を除く): 10607399547

約数列:

[1, 3, 9, 27, 81, 109, 327, 619, 981, 1857, 2943, 3803, 5571, 8829, 11409, 16713, 34227, 50139, 67471, 102681, 202413, 308043, 414527, 607239, 1243581, 1821717, 2354057, 3730743, 5465151, 7062171, 11192229, 21186513, 33576687, 63559539, 190678617, 256592213, 769776639, 2309329917, 6927989751, 20783969253]

約数ペア:

[(1, 20783969253), (3, 6927989751), (9, 2309329917), (27, 769776639), (81, 256592213), (109, 190678617), (327, 63559539), (619, 33576687), (981, 21186513), (1857, 11192229), (2943, 7062171), (3803, 5465151), (5571, 3730743), (8829, 2354057), (11409, 1821717), (16713, 1243581), (34227, 607239), (50139, 414527), (67471, 308043), (102681, 202413)]