20451142369

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{6653}}^1$

素因数の和:7057

約数の個数: 32

約数和(自身を含む): 24871693824

約数和(自身を除く): 4420551455

約数列:

[1, 7, 23, 61, 161, 313, 427, 1403, 2191, 6653, 7199, 9821, 19093, 46571, 50393, 133651, 153019, 405833, 439139, 1071133, 2082389, 2840831, 3073973, 9334159, 14576723, 47894947, 65339113, 127025729, 335264629, 889180103, 2921591767, 20451142369]

約数ペア:

[(1, 20451142369), (7, 2921591767), (23, 889180103), (61, 335264629), (161, 127025729), (313, 65339113), (427, 47894947), (1403, 14576723), (2191, 9334159), (6653, 3073973), (7199, 2840831), (9821, 2082389), (19093, 1071133), (46571, 439139), (50393, 405833), (133651, 153019)]