20563774

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1993}}^1$

素因数の和:2080

約数の個数: 32

約数和(自身を含む): 39050496

約数和(自身を除く): 18486722

約数列:

[1, 2, 7, 11, 14, 22, 67, 77, 134, 154, 469, 737, 938, 1474, 1993, 3986, 5159, 10318, 13951, 21923, 27902, 43846, 133531, 153461, 267062, 306922, 934717, 1468841, 1869434, 2937682, 10281887, 20563774]

約数ペア:

[(1, 20563774), (2, 10281887), (7, 2937682), (11, 1869434), (14, 1468841), (22, 934717), (67, 306922), (77, 267062), (134, 153461), (154, 133531), (469, 43846), (737, 27902), (938, 21923), (1474, 13951), (1993, 10318), (3986, 5159)]