20921159512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2671241}}^1$

素因数の和:2671347

約数の個数: 32

約数和(自身を含む): 43274120400

約数和(自身を除く): 22352960888

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 89, 178, 356, 712, 979, 1958, 3916, 7832, 2671241, 5342482, 10684964, 21369928, 29383651, 58767302, 117534604, 235069208, 237740449, 475480898, 950961796, 1901923592, 2615144939, 5230289878, 10460579756, 20921159512]

約数ペア:

[(1, 20921159512), (2, 10460579756), (4, 5230289878), (8, 2615144939), (11, 1901923592), (22, 950961796), (44, 475480898), (88, 237740449), (89, 235069208), (178, 117534604), (356, 58767302), (712, 29383651), (979, 21369928), (1958, 10684964), (3916, 5342482), (7832, 2671241)]