20749558

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1060

約数の個数: 24

約数和(自身を含む): 34015680

約数和(自身を除く): 13266122

約数列:

[1, 2, 19, 29, 38, 58, 361, 551, 722, 991, 1102, 1982, 10469, 18829, 20938, 28739, 37658, 57478, 357751, 546041, 715502, 1092082, 10374779, 20749558]

約数ペア:

[(1, 20749558), (2, 10374779), (19, 1092082), (29, 715502), (38, 546041), (58, 357751), (361, 57478), (551, 37658), (722, 28739), (991, 20938), (1102, 18829), (1982, 10469)]