20343204880

素因数分解:

$2^4\times 5^1\times {\mathrm{7541}}^1\times {\mathrm{33721}}^1$

素因数の和:41275

約数の個数: 40

約数和(自身を含む): 47305626264

約数和(自身を除く): 26962421384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7541, 15082, 30164, 33721, 37705, 60328, 67442, 75410, 120656, 134884, 150820, 168605, 269768, 301640, 337210, 539536, 603280, 674420, 1348840, 2697680, 254290061, 508580122, 1017160244, 1271450305, 2034320488, 2542900610, 4068640976, 5085801220, 10171602440, 20343204880]

約数ペア:

[(1, 20343204880), (2, 10171602440), (4, 5085801220), (5, 4068640976), (8, 2542900610), (10, 2034320488), (16, 1271450305), (20, 1017160244), (40, 508580122), (80, 254290061), (7541, 2697680), (15082, 1348840), (30164, 674420), (33721, 603280), (37705, 539536), (60328, 337210), (67442, 301640), (75410, 269768), (120656, 168605), (134884, 150820)]