20484542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{9973}}^1$

素因数の和:10067

約数の個数: 16

約数和(自身を含む): 33512640

約数和(自身を除く): 13028098

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 9973, 19946, 129649, 259298, 787867, 1575734, 10242271, 20484542]

約数ペア:

[(1, 20484542), (2, 10242271), (13, 1575734), (26, 787867), (79, 259298), (158, 129649), (1027, 19946), (2054, 9973)]