20565703697

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{12203}}^1$

素因数の和:12773

約数の個数: 32

約数和(自身を含む): 26290344960

約数和(自身を除く): 5724641263

約数列:

[1, 7, 11, 43, 77, 301, 473, 509, 3311, 3563, 5599, 12203, 21887, 39193, 85421, 134233, 153209, 240757, 524729, 939631, 1685299, 3673103, 5772019, 6211327, 40404133, 43479289, 68324597, 267087061, 478272179, 1869609427, 2937957671, 20565703697]

約数ペア:

[(1, 20565703697), (7, 2937957671), (11, 1869609427), (43, 478272179), (77, 267087061), (301, 68324597), (473, 43479289), (509, 40404133), (3311, 6211327), (3563, 5772019), (5599, 3673103), (12203, 1685299), (21887, 939631), (39193, 524729), (85421, 240757), (134233, 153209)]