20470345

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 9389495

約数列:

[1, 5, 7, 23, 35, 59, 115, 161, 295, 413, 431, 805, 1357, 2065, 2155, 3017, 6785, 9499, 9913, 15085, 25429, 47495, 49565, 69391, 127145, 178003, 346955, 584867, 890015, 2924335, 4094069, 20470345]

約数ペア:

[(1, 20470345), (5, 4094069), (7, 2924335), (23, 890015), (35, 584867), (59, 346955), (115, 178003), (161, 127145), (295, 69391), (413, 49565), (431, 47495), (805, 25429), (1357, 15085), (2065, 9913), (2155, 9499), (3017, 6785)]