20133756775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{81439}}^1$

素因数の和:81520

約数の個数: 48

約数和(自身を含む): 29083852800

約数和(自身を除く): 8950096025

約数列:

[1, 5, 11, 25, 29, 31, 55, 145, 155, 275, 319, 341, 725, 775, 899, 1595, 1705, 4495, 7975, 8525, 9889, 22475, 49445, 81439, 247225, 407195, 895829, 2035975, 2361731, 2524609, 4479145, 11808655, 12623045, 22395725, 25979041, 27770699, 59043275, 63115225, 73213661, 129895205, 138853495, 366068305, 649476025, 694267475, 805350271, 1830341525, 4026751355, 20133756775]

約数ペア:

[(1, 20133756775), (5, 4026751355), (11, 1830341525), (25, 805350271), (29, 694267475), (31, 649476025), (55, 366068305), (145, 138853495), (155, 129895205), (275, 73213661), (319, 63115225), (341, 59043275), (725, 27770699), (775, 25979041), (899, 22395725), (1595, 12623045), (1705, 11808655), (4495, 4479145), (7975, 2524609), (8525, 2361731), (9889, 2035975), (22475, 895829), (49445, 407195), (81439, 247225)]