20797970525

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{454849}}^1$

素因数の和:454949

約数の個数: 24

約数和(自身を含む): 27072672000

約数和(自身を除く): 6274701475

約数列:

[1, 5, 25, 31, 59, 155, 295, 775, 1475, 1829, 9145, 45725, 454849, 2274245, 11371225, 14100319, 26836091, 70501595, 134180455, 352507975, 670902275, 831918821, 4159594105, 20797970525]

約数ペア:

[(1, 20797970525), (5, 4159594105), (25, 831918821), (31, 670902275), (59, 352507975), (155, 134180455), (295, 70501595), (775, 26836091), (1475, 14100319), (1829, 11371225), (9145, 2274245), (45725, 454849)]