2020122768

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{268063}}^1$

素因数の和:268231

約数の個数: 40

約数和(自身を含む): 5251909888

約数和(自身を除く): 3231787120

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 3768, 7536, 268063, 536126, 804189, 1072252, 1608378, 2144504, 3216756, 4289008, 6433512, 12867024, 42085891, 84171782, 126257673, 168343564, 252515346, 336687128, 505030692, 673374256, 1010061384, 2020122768]

約数ペア:

[(1, 2020122768), (2, 1010061384), (3, 673374256), (4, 505030692), (6, 336687128), (8, 252515346), (12, 168343564), (16, 126257673), (24, 84171782), (48, 42085891), (157, 12867024), (314, 6433512), (471, 4289008), (628, 3216756), (942, 2144504), (1256, 1608378), (1884, 1072252), (2512, 804189), (3768, 536126), (7536, 268063)]