20351576

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6857}}^1$

素因数の和:6923

約数の個数: 32

約数和(自身を含む): 44439840

約数和(自身を除く): 24088264

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6857, 13714, 27428, 47999, 54856, 95998, 191996, 363421, 383992, 726842, 1453684, 2543947, 2907368, 5087894, 10175788, 20351576]

約数ペア:

[(1, 20351576), (2, 10175788), (4, 5087894), (7, 2907368), (8, 2543947), (14, 1453684), (28, 726842), (53, 383992), (56, 363421), (106, 191996), (212, 95998), (371, 54856), (424, 47999), (742, 27428), (1484, 13714), (2968, 6857)]