20172312

素因数分解:

$2^3\times 3^2\times {\mathrm{503}}^1\times {\mathrm{557}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 54840240

約数和(自身を除く): 34667928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 503, 557, 1006, 1114, 1509, 1671, 2012, 2228, 3018, 3342, 4024, 4456, 4527, 5013, 6036, 6684, 9054, 10026, 12072, 13368, 18108, 20052, 36216, 40104, 280171, 560342, 840513, 1120684, 1681026, 2241368, 2521539, 3362052, 5043078, 6724104, 10086156, 20172312]

約数ペア:

[(1, 20172312), (2, 10086156), (3, 6724104), (4, 5043078), (6, 3362052), (8, 2521539), (9, 2241368), (12, 1681026), (18, 1120684), (24, 840513), (36, 560342), (72, 280171), (503, 40104), (557, 36216), (1006, 20052), (1114, 18108), (1509, 13368), (1671, 12072), (2012, 10026), (2228, 9054), (3018, 6684), (3342, 6036), (4024, 5013), (4456, 4527)]