20797714

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 37149696

約数和(自身を除く): 16351982

約数列:

[1, 2, 7, 14, 31, 62, 173, 217, 277, 346, 434, 554, 1211, 1939, 2422, 3878, 5363, 8587, 10726, 17174, 37541, 47921, 60109, 75082, 95842, 120218, 335447, 670894, 1485551, 2971102, 10398857, 20797714]

約数ペア:

[(1, 20797714), (2, 10398857), (7, 2971102), (14, 1485551), (31, 670894), (62, 335447), (173, 120218), (217, 95842), (277, 75082), (346, 60109), (434, 47921), (554, 37541), (1211, 17174), (1939, 10726), (2422, 8587), (3878, 5363)]