20913849

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1051}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 34337280

約数和(自身を除く): 13423431

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 201, 297, 603, 737, 1051, 1809, 2211, 3153, 6633, 9459, 11561, 19899, 28377, 34683, 70417, 104049, 211251, 312147, 633753, 774587, 1901259, 2323761, 6971283, 20913849]

約数ペア:

[(1, 20913849), (3, 6971283), (9, 2323761), (11, 1901259), (27, 774587), (33, 633753), (67, 312147), (99, 211251), (201, 104049), (297, 70417), (603, 34683), (737, 28377), (1051, 19899), (1809, 11561), (2211, 9459), (3153, 6633)]