20280531843

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{404051}}^1$

素因数の和:404097

約数の個数: 48

約数和(自身を含む): 35491927680

約数和(自身を除く): 15211395837

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 169, 297, 351, 429, 507, 1287, 1521, 1859, 3861, 4563, 5577, 16731, 50193, 404051, 1212153, 3636459, 4444561, 5252663, 10909377, 13333683, 15757989, 40001049, 47273967, 57779293, 68284619, 120003147, 141821901, 173337879, 204853857, 520013637, 614561571, 751130809, 1560040911, 1843684713, 2253392427, 6760177281, 20280531843]

約数ペア:

[(1, 20280531843), (3, 6760177281), (9, 2253392427), (11, 1843684713), (13, 1560040911), (27, 751130809), (33, 614561571), (39, 520013637), (99, 204853857), (117, 173337879), (143, 141821901), (169, 120003147), (297, 68284619), (351, 57779293), (429, 47273967), (507, 40001049), (1287, 15757989), (1521, 13333683), (1859, 10909377), (3861, 5252663), (4563, 4444561), (5577, 3636459), (16731, 1212153), (50193, 404051)]