20777470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42403}}^1$

素因数の和:42424

約数の個数: 24

約数和(自身を含む): 43506504

約数和(自身を除く): 22729034

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42403, 84806, 212015, 296821, 424030, 593642, 1484105, 2077747, 2968210, 4155494, 10388735, 20777470]

約数ペア:

[(1, 20777470), (2, 10388735), (5, 4155494), (7, 2968210), (10, 2077747), (14, 1484105), (35, 593642), (49, 424030), (70, 296821), (98, 212015), (245, 84806), (490, 42403)]