20053569

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 29376000

約数和(自身を除く): 9322431

約数列:

[1, 3, 19, 57, 59, 67, 89, 177, 201, 267, 1121, 1273, 1691, 3363, 3819, 3953, 5073, 5251, 5963, 11859, 15753, 17889, 75107, 99769, 113297, 225321, 299307, 339891, 351817, 1055451, 6684523, 20053569]

約数ペア:

[(1, 20053569), (3, 6684523), (19, 1055451), (57, 351817), (59, 339891), (67, 299307), (89, 225321), (177, 113297), (201, 99769), (267, 75107), (1121, 17889), (1273, 15753), (1691, 11859), (3363, 5963), (3819, 5251), (3953, 5073)]