20206886

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 35754048

約数和(自身を除く): 15547162

約数列:

[1, 2, 7, 14, 53, 106, 113, 226, 241, 371, 482, 742, 791, 1582, 1687, 3374, 5989, 11978, 12773, 25546, 27233, 41923, 54466, 83846, 89411, 178822, 190631, 381262, 1443349, 2886698, 10103443, 20206886]

約数ペア:

[(1, 20206886), (2, 10103443), (7, 2886698), (14, 1443349), (53, 381262), (106, 190631), (113, 178822), (226, 89411), (241, 83846), (371, 54466), (482, 41923), (742, 27233), (791, 25546), (1582, 12773), (1687, 11978), (3374, 5989)]