20702358

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 27681642

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 83, 93, 149, 166, 186, 249, 279, 298, 447, 498, 558, 747, 837, 894, 1341, 1494, 1674, 2241, 2573, 2682, 4023, 4482, 4619, 5146, 7719, 8046, 9238, 12367, 13857, 15438, 23157, 24734, 27714, 37101, 41571, 46314, 69471, 74202, 83142, 111303, 124713, 138942, 222606, 249426, 333909, 383377, 667818, 766754, 1150131, 2300262, 3450393, 6900786, 10351179, 20702358]

約数ペア:

[(1, 20702358), (2, 10351179), (3, 6900786), (6, 3450393), (9, 2300262), (18, 1150131), (27, 766754), (31, 667818), (54, 383377), (62, 333909), (83, 249426), (93, 222606), (149, 138942), (166, 124713), (186, 111303), (249, 83142), (279, 74202), (298, 69471), (447, 46314), (498, 41571), (558, 37101), (747, 27714), (837, 24734), (894, 23157), (1341, 15438), (1494, 13857), (1674, 12367), (2241, 9238), (2573, 8046), (2682, 7719), (4023, 5146), (4482, 4619)]