20699968

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 44805600

約数和(自身を除く): 24105632

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 152, 232, 304, 464, 551, 587, 608, 928, 1102, 1174, 1216, 1856, 2204, 2348, 4408, 4696, 8816, 9392, 11153, 17023, 17632, 18784, 22306, 34046, 35264, 37568, 44612, 68092, 89224, 136184, 178448, 272368, 323437, 356896, 544736, 646874, 713792, 1089472, 1293748, 2587496, 5174992, 10349984, 20699968]

約数ペア:

[(1, 20699968), (2, 10349984), (4, 5174992), (8, 2587496), (16, 1293748), (19, 1089472), (29, 713792), (32, 646874), (38, 544736), (58, 356896), (64, 323437), (76, 272368), (116, 178448), (152, 136184), (232, 89224), (304, 68092), (464, 44612), (551, 37568), (587, 35264), (608, 34046), (928, 22306), (1102, 18784), (1174, 17632), (1216, 17023), (1856, 11153), (2204, 9392), (2348, 8816), (4408, 4696)]