20875845064

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{2237}}^1\times {\mathrm{2909}}^1$

素因数の和:5553

約数の個数: 32

約数和(自身を含む): 39270857400

約数和(自身を除く): 18395012336

約数列:

[1, 2, 4, 8, 401, 802, 1604, 2237, 2909, 3208, 4474, 5818, 8948, 11636, 17896, 23272, 897037, 1166509, 1794074, 2333018, 3588148, 4666036, 6507433, 7176296, 9332072, 13014866, 26029732, 52059464, 2609480633, 5218961266, 10437922532, 20875845064]

約数ペア:

[(1, 20875845064), (2, 10437922532), (4, 5218961266), (8, 2609480633), (401, 52059464), (802, 26029732), (1604, 13014866), (2237, 9332072), (2909, 7176296), (3208, 6507433), (4474, 4666036), (5818, 3588148), (8948, 2333018), (11636, 1794074), (17896, 1166509), (23272, 897037)]