20880876

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 29680404

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 131, 148, 222, 262, 359, 393, 444, 524, 718, 786, 1077, 1436, 1572, 2154, 4308, 4847, 9694, 13283, 14541, 19388, 26566, 29082, 39849, 47029, 53132, 58164, 79698, 94058, 141087, 159396, 188116, 282174, 564348, 1740073, 3480146, 5220219, 6960292, 10440438, 20880876]

約数ペア:

[(1, 20880876), (2, 10440438), (3, 6960292), (4, 5220219), (6, 3480146), (12, 1740073), (37, 564348), (74, 282174), (111, 188116), (131, 159396), (148, 141087), (222, 94058), (262, 79698), (359, 58164), (393, 53132), (444, 47029), (524, 39849), (718, 29082), (786, 26566), (1077, 19388), (1436, 14541), (1572, 13283), (2154, 9694), (4308, 4847)]