20999743

素因数分解:

${\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:366

約数の個数: 16

約数和(自身を含む): 22913280

約数和(自身を除く): 1913537

約数列:

[1, 17, 67, 103, 179, 1139, 1751, 3043, 6901, 11993, 18437, 117317, 203881, 313429, 1235279, 20999743]

約数ペア:

[(1, 20999743), (17, 1235279), (67, 313429), (103, 203881), (179, 117317), (1139, 18437), (1751, 11993), (3043, 6901)]