20377890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17417}}^1$

素因数の和:17443

約数の個数: 48

約数和(自身を含む): 57061368

約数和(自身を除く): 36683478

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 17417, 34834, 52251, 87085, 104502, 156753, 174170, 226421, 261255, 313506, 452842, 522510, 679263, 783765, 1132105, 1358526, 1567530, 2037789, 2264210, 3396315, 4075578, 6792630, 10188945, 20377890]

約数ペア:

[(1, 20377890), (2, 10188945), (3, 6792630), (5, 4075578), (6, 3396315), (9, 2264210), (10, 2037789), (13, 1567530), (15, 1358526), (18, 1132105), (26, 783765), (30, 679263), (39, 522510), (45, 452842), (65, 313506), (78, 261255), (90, 226421), (117, 174170), (130, 156753), (195, 104502), (234, 87085), (390, 52251), (585, 34834), (1170, 17417)]