20355364195

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{383}}^1\times {\mathrm{643}}^1$

素因数の和:1363

約数の個数: 32

約数和(自身を含む): 25022398464

約数和(自身を除く): 4667034269

約数列:

[1, 5, 61, 271, 305, 383, 643, 1355, 1915, 3215, 16531, 23363, 39223, 82655, 103793, 116815, 174253, 196115, 246269, 518965, 871265, 1231345, 6331373, 10629433, 15022409, 31656865, 53147165, 66738899, 75112045, 333694495, 4071072839, 20355364195]

約数ペア:

[(1, 20355364195), (5, 4071072839), (61, 333694495), (271, 75112045), (305, 66738899), (383, 53147165), (643, 31656865), (1355, 15022409), (1915, 10629433), (3215, 6331373), (16531, 1231345), (23363, 871265), (39223, 518965), (82655, 246269), (103793, 196115), (116815, 174253)]