20176393880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2719}}^1\times {\mathrm{6397}}^1$

素因数の和:9156

約数の個数: 64

約数和(自身を含む): 46986912000

約数和(自身を除く): 26810518120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 2719, 5438, 6397, 10876, 12794, 13595, 21752, 25588, 27190, 31985, 51176, 54380, 63970, 78851, 108760, 127940, 157702, 185513, 255880, 315404, 371026, 394255, 630808, 742052, 788510, 927565, 1484104, 1577020, 1855130, 3154040, 3710260, 7420520, 17393443, 34786886, 69573772, 86967215, 139147544, 173934430, 347868860, 504409847, 695737720, 1008819694, 2017639388, 2522049235, 4035278776, 5044098470, 10088196940, 20176393880]

約数ペア:

[(1, 20176393880), (2, 10088196940), (4, 5044098470), (5, 4035278776), (8, 2522049235), (10, 2017639388), (20, 1008819694), (29, 695737720), (40, 504409847), (58, 347868860), (116, 173934430), (145, 139147544), (232, 86967215), (290, 69573772), (580, 34786886), (1160, 17393443), (2719, 7420520), (5438, 3710260), (6397, 3154040), (10876, 1855130), (12794, 1577020), (13595, 1484104), (21752, 927565), (25588, 788510), (27190, 742052), (31985, 630808), (51176, 394255), (54380, 371026), (63970, 315404), (78851, 255880), (108760, 185513), (127940, 157702)]