20845113

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 9567687

約数列:

[1, 3, 29, 31, 59, 87, 93, 131, 177, 393, 899, 1711, 1829, 2697, 3799, 4061, 5133, 5487, 7729, 11397, 12183, 23187, 53041, 117769, 159123, 224141, 239599, 353307, 672423, 718797, 6948371, 20845113]

約数ペア:

[(1, 20845113), (3, 6948371), (29, 718797), (31, 672423), (59, 353307), (87, 239599), (93, 224141), (131, 159123), (177, 117769), (393, 53041), (899, 23187), (1711, 12183), (1829, 11397), (2697, 7729), (3799, 5487), (4061, 5133)]