20816016

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33359}}^1$

素因数の和:33383

約数の個数: 40

約数和(自身を含む): 57912960

約数和(自身を除く): 37096944

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33359, 66718, 100077, 133436, 200154, 266872, 400308, 433667, 533744, 800616, 867334, 1301001, 1601232, 1734668, 2602002, 3469336, 5204004, 6938672, 10408008, 20816016]

約数ペア:

[(1, 20816016), (2, 10408008), (3, 6938672), (4, 5204004), (6, 3469336), (8, 2602002), (12, 1734668), (13, 1601232), (16, 1301001), (24, 867334), (26, 800616), (39, 533744), (48, 433667), (52, 400308), (78, 266872), (104, 200154), (156, 133436), (208, 100077), (312, 66718), (624, 33359)]