20179926928

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2024471}}^1$

素因数の和:2024575

約数の個数: 40

約数和(自身を含む): 45186215040

約数和(自身を除く): 25006288112

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 2024471, 4048942, 8097884, 14171297, 16195768, 28342594, 32391536, 56685188, 113370376, 180177919, 226740752, 360355838, 720711676, 1261245433, 1441423352, 2522490866, 2882846704, 5044981732, 10089963464, 20179926928]

約数ペア:

[(1, 20179926928), (2, 10089963464), (4, 5044981732), (7, 2882846704), (8, 2522490866), (14, 1441423352), (16, 1261245433), (28, 720711676), (56, 360355838), (89, 226740752), (112, 180177919), (178, 113370376), (356, 56685188), (623, 32391536), (712, 28342594), (1246, 16195768), (1424, 14171297), (2492, 8097884), (4984, 4048942), (9968, 2024471)]