20964284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11621}}^1$

素因数の和:11677

約数の個数: 24

約数和(自身を含む): 41002416

約数和(自身を除く): 20038132

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11621, 23242, 46484, 127831, 255662, 476461, 511324, 952922, 1905844, 5241071, 10482142, 20964284]

約数ペア:

[(1, 20964284), (2, 10482142), (4, 5241071), (11, 1905844), (22, 952922), (41, 511324), (44, 476461), (82, 255662), (164, 127831), (451, 46484), (902, 23242), (1804, 11621)]