20179900480

素因数分解:

$2^6\times 5^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1\times {\mathrm{733}}^1$

素因数の和:1356

約数の個数: 112

約数和(自身を含む): 48458445120

約数和(自身を除く): 28278544640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 227, 320, 379, 454, 733, 758, 908, 1135, 1466, 1516, 1816, 1895, 2270, 2932, 3032, 3632, 3665, 3790, 4540, 5864, 6064, 7264, 7330, 7580, 9080, 11728, 12128, 14528, 14660, 15160, 18160, 23456, 24256, 29320, 30320, 36320, 46912, 58640, 60640, 72640, 86033, 117280, 121280, 166391, 172066, 234560, 277807, 332782, 344132, 430165, 555614, 665564, 688264, 831955, 860330, 1111228, 1331128, 1376528, 1389035, 1663910, 1720660, 2222456, 2662256, 2753056, 2778070, 3327820, 3441320, 4444912, 5324512, 5506112, 5556140, 6655640, 6882640, 8889824, 10649024, 11112280, 13311280, 13765280, 17779648, 22224560, 26622560, 27530560, 44449120, 53245120, 63062189, 88898240, 126124378, 252248756, 315310945, 504497512, 630621890, 1008995024, 1261243780, 2017990048, 2522487560, 4035980096, 5044975120, 10089950240, 20179900480]

約数ペア:

[(1, 20179900480), (2, 10089950240), (4, 5044975120), (5, 4035980096), (8, 2522487560), (10, 2017990048), (16, 1261243780), (20, 1008995024), (32, 630621890), (40, 504497512), (64, 315310945), (80, 252248756), (160, 126124378), (227, 88898240), (320, 63062189), (379, 53245120), (454, 44449120), (733, 27530560), (758, 26622560), (908, 22224560), (1135, 17779648), (1466, 13765280), (1516, 13311280), (1816, 11112280), (1895, 10649024), (2270, 8889824), (2932, 6882640), (3032, 6655640), (3632, 5556140), (3665, 5506112), (3790, 5324512), (4540, 4444912), (5864, 3441320), (6064, 3327820), (7264, 2778070), (7330, 2753056), (7580, 2662256), (9080, 2222456), (11728, 1720660), (12128, 1663910), (14528, 1389035), (14660, 1376528), (15160, 1331128), (18160, 1111228), (23456, 860330), (24256, 831955), (29320, 688264), (30320, 665564), (36320, 555614), (46912, 430165), (58640, 344132), (60640, 332782), (72640, 277807), (86033, 234560), (117280, 172066), (121280, 166391)]