20984950448

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{40459}}^1$

素因数の和:40906

約数の個数: 80

約数和(自身を含む): 50812581120

約数和(自身を除く): 29827630672

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 421, 616, 842, 1232, 1684, 2947, 3368, 4631, 5894, 6736, 9262, 11788, 18524, 23576, 32417, 37048, 40459, 47152, 64834, 74096, 80918, 129668, 161836, 259336, 283213, 323672, 445049, 518672, 566426, 647344, 890098, 1132852, 1780196, 2265704, 3115343, 3560392, 4531408, 6230686, 7120784, 12461372, 17033239, 24922744, 34066478, 49845488, 68132956, 119232673, 136265912, 187365629, 238465346, 272531824, 374731258, 476930692, 749462516, 953861384, 1311559403, 1498925032, 1907722768, 2623118806, 2997850064, 5246237612, 10492475224, 20984950448]

約数ペア:

[(1, 20984950448), (2, 10492475224), (4, 5246237612), (7, 2997850064), (8, 2623118806), (11, 1907722768), (14, 1498925032), (16, 1311559403), (22, 953861384), (28, 749462516), (44, 476930692), (56, 374731258), (77, 272531824), (88, 238465346), (112, 187365629), (154, 136265912), (176, 119232673), (308, 68132956), (421, 49845488), (616, 34066478), (842, 24922744), (1232, 17033239), (1684, 12461372), (2947, 7120784), (3368, 6230686), (4631, 4531408), (5894, 3560392), (6736, 3115343), (9262, 2265704), (11788, 1780196), (18524, 1132852), (23576, 890098), (32417, 647344), (37048, 566426), (40459, 518672), (47152, 445049), (64834, 323672), (74096, 283213), (80918, 259336), (129668, 161836)]