20168163605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{63391}}^1$

素因数の和:63629

約数の個数: 32

約数和(自身を含む): 27111490560

約数和(自身を除く): 6943326955

約数列:

[1, 5, 17, 19, 85, 95, 197, 323, 985, 1615, 3349, 3743, 16745, 18715, 63391, 63631, 316955, 318155, 1077647, 1204429, 5388235, 6022145, 12488027, 20475293, 62440135, 102376465, 212296459, 237272513, 1061482295, 1186362565, 4033632721, 20168163605]

約数ペア:

[(1, 20168163605), (5, 4033632721), (17, 1186362565), (19, 1061482295), (85, 237272513), (95, 212296459), (197, 102376465), (323, 62440135), (985, 20475293), (1615, 12488027), (3349, 6022145), (3743, 5388235), (16745, 1204429), (18715, 1077647), (63391, 318155), (63631, 316955)]