20761638

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{443}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 42581376

約数和(自身を除く): 21819738

約数列:

[1, 2, 3, 6, 73, 107, 146, 214, 219, 321, 438, 443, 642, 886, 1329, 2658, 7811, 15622, 23433, 32339, 46866, 47401, 64678, 94802, 97017, 142203, 194034, 284406, 3460273, 6920546, 10380819, 20761638]

約数ペア:

[(1, 20761638), (2, 10380819), (3, 6920546), (6, 3460273), (73, 284406), (107, 194034), (146, 142203), (214, 97017), (219, 94802), (321, 64678), (438, 47401), (443, 46866), (642, 32339), (886, 23433), (1329, 15622), (2658, 7811)]