20445168

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{2713}}^1$

素因数の和:2881

約数の個数: 40

約数和(自身を含む): 53172688

約数和(自身を除く): 32727520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 2713, 3768, 5426, 7536, 8139, 10852, 16278, 21704, 32556, 43408, 65112, 130224, 425941, 851882, 1277823, 1703764, 2555646, 3407528, 5111292, 6815056, 10222584, 20445168]

約数ペア:

[(1, 20445168), (2, 10222584), (3, 6815056), (4, 5111292), (6, 3407528), (8, 2555646), (12, 1703764), (16, 1277823), (24, 851882), (48, 425941), (157, 130224), (314, 65112), (471, 43408), (628, 32556), (942, 21704), (1256, 16278), (1884, 10852), (2512, 8139), (2713, 7536), (3768, 5426)]