20903274

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7213}}^1$

素因数の和:7251

約数の個数: 48

約数和(自身を含む): 54018432

約数和(自身を除く): 33115158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 7213, 14426, 21639, 43278, 50491, 64917, 100982, 129834, 151473, 165899, 302946, 331798, 454419, 497697, 908838, 995394, 1161293, 1493091, 2322586, 2986182, 3483879, 6967758, 10451637, 20903274]

約数ペア:

[(1, 20903274), (2, 10451637), (3, 6967758), (6, 3483879), (7, 2986182), (9, 2322586), (14, 1493091), (18, 1161293), (21, 995394), (23, 908838), (42, 497697), (46, 454419), (63, 331798), (69, 302946), (126, 165899), (138, 151473), (161, 129834), (207, 100982), (322, 64917), (414, 50491), (483, 43278), (966, 21639), (1449, 14426), (2898, 7213)]