20665248

素因数分解:

$2^5\times 3^1\times {\mathrm{167}}^1\times {\mathrm{1289}}^1$

素因数の和:1469

約数の個数: 48

約数和(自身を含む): 54613440

約数和(自身を除く): 33948192

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 167, 334, 501, 668, 1002, 1289, 1336, 2004, 2578, 2672, 3867, 4008, 5156, 5344, 7734, 8016, 10312, 15468, 16032, 20624, 30936, 41248, 61872, 123744, 215263, 430526, 645789, 861052, 1291578, 1722104, 2583156, 3444208, 5166312, 6888416, 10332624, 20665248]

約数ペア:

[(1, 20665248), (2, 10332624), (3, 6888416), (4, 5166312), (6, 3444208), (8, 2583156), (12, 1722104), (16, 1291578), (24, 861052), (32, 645789), (48, 430526), (96, 215263), (167, 123744), (334, 61872), (501, 41248), (668, 30936), (1002, 20624), (1289, 16032), (1336, 15468), (2004, 10312), (2578, 8016), (2672, 7734), (3867, 5344), (4008, 5156)]