20412936

素因数分解:

$2^3\times 3^2\times {\mathrm{509}}^1\times {\mathrm{557}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 55493100

約数和(自身を除く): 35080164

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 509, 557, 1018, 1114, 1527, 1671, 2036, 2228, 3054, 3342, 4072, 4456, 4581, 5013, 6108, 6684, 9162, 10026, 12216, 13368, 18324, 20052, 36648, 40104, 283513, 567026, 850539, 1134052, 1701078, 2268104, 2551617, 3402156, 5103234, 6804312, 10206468, 20412936]

約数ペア:

[(1, 20412936), (2, 10206468), (3, 6804312), (4, 5103234), (6, 3402156), (8, 2551617), (9, 2268104), (12, 1701078), (18, 1134052), (24, 850539), (36, 567026), (72, 283513), (509, 40104), (557, 36648), (1018, 20052), (1114, 18324), (1527, 13368), (1671, 12216), (2036, 10026), (2228, 9162), (3054, 6684), (3342, 6108), (4072, 5013), (4456, 4581)]