20115424

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1009}}^1$

素因数の和:1115

約数の個数: 48

約数和(自身を含む): 45813600

約数和(自身を除く): 25698176

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 1009, 1246, 1424, 2018, 2492, 2848, 4036, 4984, 7063, 8072, 9968, 14126, 16144, 19936, 28252, 32288, 56504, 89801, 113008, 179602, 226016, 359204, 628607, 718408, 1257214, 1436816, 2514428, 2873632, 5028856, 10057712, 20115424]

約数ペア:

[(1, 20115424), (2, 10057712), (4, 5028856), (7, 2873632), (8, 2514428), (14, 1436816), (16, 1257214), (28, 718408), (32, 628607), (56, 359204), (89, 226016), (112, 179602), (178, 113008), (224, 89801), (356, 56504), (623, 32288), (712, 28252), (1009, 19936), (1246, 16144), (1424, 14126), (2018, 9968), (2492, 8072), (2848, 7063), (4036, 4984)]