20020078

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{971}}^1$

素因数の和:1060

約数の個数: 24

約数和(自身を含む): 33084936

約数和(自身を除く): 13064858

約数列:

[1, 2, 13, 26, 61, 122, 169, 338, 793, 971, 1586, 1942, 10309, 12623, 20618, 25246, 59231, 118462, 164099, 328198, 770003, 1540006, 10010039, 20020078]

約数ペア:

[(1, 20020078), (2, 10010039), (13, 1540006), (26, 770003), (61, 328198), (122, 164099), (169, 118462), (338, 59231), (793, 25246), (971, 20618), (1586, 12623), (1942, 10309)]