20072931284

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1\times {\mathrm{19717}}^1$

素因数の和:20184

約数の個数: 48

約数和(自身を含む): 40652521728

約数和(自身を除く): 20579590444

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 353, 412, 706, 721, 1412, 1442, 2471, 2884, 4942, 9884, 19717, 36359, 39434, 72718, 78868, 138019, 145436, 254513, 276038, 509026, 552076, 1018052, 2030851, 4061702, 6960101, 8123404, 13920202, 14215957, 27840404, 28431914, 48720707, 56863828, 97441414, 194882828, 716890403, 1433780806, 2867561612, 5018232821, 10036465642, 20072931284]

約数ペア:

[(1, 20072931284), (2, 10036465642), (4, 5018232821), (7, 2867561612), (14, 1433780806), (28, 716890403), (103, 194882828), (206, 97441414), (353, 56863828), (412, 48720707), (706, 28431914), (721, 27840404), (1412, 14215957), (1442, 13920202), (2471, 8123404), (2884, 6960101), (4942, 4061702), (9884, 2030851), (19717, 1018052), (36359, 552076), (39434, 509026), (72718, 276038), (78868, 254513), (138019, 145436)]