20721689351

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{530197}}^1$

素因数の和:530255

約数の個数: 24

約数和(自身を含む): 25385880240

約数和(自身を除く): 4664190889

約数列:

[1, 11, 17, 19, 121, 187, 209, 323, 2057, 2299, 3553, 39083, 530197, 5832167, 9013349, 10073743, 64153837, 99146839, 110811173, 171253631, 1090615229, 1218922903, 1883789941, 20721689351]

約数ペア:

[(1, 20721689351), (11, 1883789941), (17, 1218922903), (19, 1090615229), (121, 171253631), (187, 110811173), (209, 99146839), (323, 64153837), (2057, 10073743), (2299, 9013349), (3553, 5832167), (39083, 530197)]