20132640549

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{56731}}^1$

素因数の和:56918

約数の個数: 48

約数和(自身を含む): 34267943424

約数和(自身を除く): 14135302875

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 131, 301, 387, 393, 903, 917, 1179, 2709, 2751, 5633, 8253, 16899, 39431, 50697, 56731, 118293, 170193, 354879, 397117, 510579, 1191351, 2439433, 3574053, 7318299, 7431761, 17076031, 21954897, 22295283, 51228093, 52022327, 66885849, 153684279, 156066981, 319565723, 468200943, 958697169, 2236960061, 2876091507, 6710880183, 20132640549]

約数ペア:

[(1, 20132640549), (3, 6710880183), (7, 2876091507), (9, 2236960061), (21, 958697169), (43, 468200943), (63, 319565723), (129, 156066981), (131, 153684279), (301, 66885849), (387, 52022327), (393, 51228093), (903, 22295283), (917, 21954897), (1179, 17076031), (2709, 7431761), (2751, 7318299), (5633, 3574053), (8253, 2439433), (16899, 1191351), (39431, 510579), (50697, 397117), (56731, 354879), (118293, 170193)]