20921112810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5960431}}^1$

素因数の和:5960460

約数の個数: 64

約数和(自身を含む): 60081154560

約数和(自身を除く): 39160041750

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 5960431, 11920862, 17881293, 29802155, 35762586, 53643879, 59604310, 77485603, 89406465, 107287758, 154971206, 160931637, 178812930, 232456809, 268219395, 321863274, 387428015, 464913618, 536438790, 697370427, 774856030, 804658185, 1162284045, 1394740854, 1609316370, 2092111281, 2324568090, 3486852135, 4184222562, 6973704270, 10460556405, 20921112810]

約数ペア:

[(1, 20921112810), (2, 10460556405), (3, 6973704270), (5, 4184222562), (6, 3486852135), (9, 2324568090), (10, 2092111281), (13, 1609316370), (15, 1394740854), (18, 1162284045), (26, 804658185), (27, 774856030), (30, 697370427), (39, 536438790), (45, 464913618), (54, 387428015), (65, 321863274), (78, 268219395), (90, 232456809), (117, 178812930), (130, 160931637), (135, 154971206), (195, 107287758), (234, 89406465), (270, 77485603), (351, 59604310), (390, 53643879), (585, 35762586), (702, 29802155), (1170, 17881293), (1755, 11920862), (3510, 5960431)]