20194193673

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:896

約数の個数: 80

約数和(自身を含む): 31598493696

約数和(自身を除く): 11404300023

約数列:

[1, 3, 9, 27, 43, 71, 81, 127, 129, 213, 381, 387, 639, 643, 1143, 1161, 1917, 1929, 3053, 3429, 3483, 5461, 5751, 5787, 9017, 9159, 10287, 16383, 17361, 27051, 27477, 27649, 45653, 49149, 52083, 81153, 81661, 82431, 82947, 136959, 147447, 243459, 244983, 247293, 248841, 387731, 410877, 442341, 730377, 734949, 746523, 1163193, 1232631, 1963079, 2204847, 2239569, 3489579, 3511423, 3697893, 5797931, 5889237, 6614541, 10468737, 10534269, 17393793, 17667711, 31406211, 31602807, 52181379, 53003133, 94808421, 156544137, 159009399, 249311033, 284425263, 469632411, 747933099, 2243799297, 6731397891, 20194193673]

約数ペア:

[(1, 20194193673), (3, 6731397891), (9, 2243799297), (27, 747933099), (43, 469632411), (71, 284425263), (81, 249311033), (127, 159009399), (129, 156544137), (213, 94808421), (381, 53003133), (387, 52181379), (639, 31602807), (643, 31406211), (1143, 17667711), (1161, 17393793), (1917, 10534269), (1929, 10468737), (3053, 6614541), (3429, 5889237), (3483, 5797931), (5461, 3697893), (5751, 3511423), (5787, 3489579), (9017, 2239569), (9159, 2204847), (10287, 1963079), (16383, 1232631), (17361, 1163193), (27051, 746523), (27477, 734949), (27649, 730377), (45653, 442341), (49149, 410877), (52083, 387731), (81153, 248841), (81661, 247293), (82431, 244983), (82947, 243459), (136959, 147447)]