20523906

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 48310080

約数和(自身を除く): 27786174

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 139, 234, 278, 417, 631, 834, 1251, 1262, 1807, 1893, 2502, 3614, 3786, 5421, 5679, 8203, 10842, 11358, 16263, 16406, 24609, 32526, 49218, 73827, 87709, 147654, 175418, 263127, 526254, 789381, 1140217, 1578762, 2280434, 3420651, 6841302, 10261953, 20523906]

約数ペア:

[(1, 20523906), (2, 10261953), (3, 6841302), (6, 3420651), (9, 2280434), (13, 1578762), (18, 1140217), (26, 789381), (39, 526254), (78, 263127), (117, 175418), (139, 147654), (234, 87709), (278, 73827), (417, 49218), (631, 32526), (834, 24609), (1251, 16406), (1262, 16263), (1807, 11358), (1893, 10842), (2502, 8203), (3614, 5679), (3786, 5421)]