20657552

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 41366400

約数和(自身を除く): 20708848

約数列:

[1, 2, 4, 8, 16, 59, 79, 118, 158, 236, 277, 316, 472, 554, 632, 944, 1108, 1264, 2216, 4432, 4661, 9322, 16343, 18644, 21883, 32686, 37288, 43766, 65372, 74576, 87532, 130744, 175064, 261488, 350128, 1291097, 2582194, 5164388, 10328776, 20657552]

約数ペア:

[(1, 20657552), (2, 10328776), (4, 5164388), (8, 2582194), (16, 1291097), (59, 350128), (79, 261488), (118, 175064), (158, 130744), (236, 87532), (277, 74576), (316, 65372), (472, 43766), (554, 37288), (632, 32686), (944, 21883), (1108, 18644), (1264, 16343), (2216, 9322), (4432, 4661)]