20657744

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{211}}^2$

素因数の和:459

約数の個数: 30

約数和(自身を含む): 41601690

約数和(自身を除く): 20943946

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 211, 232, 422, 464, 844, 1688, 3376, 6119, 12238, 24476, 44521, 48952, 89042, 97904, 178084, 356168, 712336, 1291109, 2582218, 5164436, 10328872, 20657744]

約数ペア:

[(1, 20657744), (2, 10328872), (4, 5164436), (8, 2582218), (16, 1291109), (29, 712336), (58, 356168), (116, 178084), (211, 97904), (232, 89042), (422, 48952), (464, 44521), (844, 24476), (1688, 12238), (3376, 6119)]