20120309979

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12442987}}^1$

素因数の和:12443015

約数の個数: 24

約数和(自身を含む): 34044015168

約数和(自身を除く): 13923705189

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12442987, 37328961, 87100909, 136872857, 261302727, 410618571, 609706363, 958109999, 1829119089, 2874329997, 6706769993, 20120309979]

約数ペア:

[(1, 20120309979), (3, 6706769993), (7, 2874329997), (11, 1829119089), (21, 958109999), (33, 609706363), (49, 410618571), (77, 261302727), (147, 136872857), (231, 87100909), (539, 37328961), (1617, 12442987)]