20277810

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10729}}^1$

素因数の和:10752

約数の個数: 64

約数和(自身を含む): 61804800

約数和(自身を除く): 41526990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10729, 21458, 32187, 53645, 64374, 75103, 96561, 107290, 150206, 160935, 193122, 225309, 289683, 321870, 375515, 450618, 482805, 579366, 675927, 751030, 965610, 1126545, 1351854, 1448415, 2027781, 2253090, 2896830, 3379635, 4055562, 6759270, 10138905, 20277810]

約数ペア:

[(1, 20277810), (2, 10138905), (3, 6759270), (5, 4055562), (6, 3379635), (7, 2896830), (9, 2253090), (10, 2027781), (14, 1448415), (15, 1351854), (18, 1126545), (21, 965610), (27, 751030), (30, 675927), (35, 579366), (42, 482805), (45, 450618), (54, 375515), (63, 321870), (70, 289683), (90, 225309), (105, 193122), (126, 160935), (135, 150206), (189, 107290), (210, 96561), (270, 75103), (315, 64374), (378, 53645), (630, 32187), (945, 21458), (1890, 10729)]