20078873390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1597}}^1\times {\mathrm{66173}}^1$

素因数の和:67796

約数の個数: 32

約数和(自身を含む): 38068578720

約数和(自身を除く): 17989705330

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 1597, 3194, 7985, 15970, 30343, 60686, 66173, 132346, 151715, 303430, 330865, 661730, 1257287, 2514574, 6286435, 12572870, 105678281, 211356562, 528391405, 1056782810, 2007887339, 4015774678, 10039436695, 20078873390]

約数ペア:

[(1, 20078873390), (2, 10039436695), (5, 4015774678), (10, 2007887339), (19, 1056782810), (38, 528391405), (95, 211356562), (190, 105678281), (1597, 12572870), (3194, 6286435), (7985, 2514574), (15970, 1257287), (30343, 661730), (60686, 330865), (66173, 303430), (132346, 151715)]