20090721306

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{296507}}^1$

素因数の和:297026

約数の個数: 32

約数和(自身を含む): 42013997568

約数和(自身を除く): 21923276262

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 491, 982, 1473, 2946, 11293, 22586, 33879, 67758, 296507, 593014, 889521, 1779042, 6819661, 13639322, 20458983, 40917966, 145584937, 291169874, 436754811, 873509622, 3348453551, 6696907102, 10045360653, 20090721306]

約数ペア:

[(1, 20090721306), (2, 10045360653), (3, 6696907102), (6, 3348453551), (23, 873509622), (46, 436754811), (69, 291169874), (138, 145584937), (491, 40917966), (982, 20458983), (1473, 13639322), (2946, 6819661), (11293, 1779042), (22586, 889521), (33879, 593014), (67758, 296507)]