20775810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 54877824

約数和(自身を除く): 34102014

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 157, 165, 314, 330, 401, 471, 785, 802, 942, 1203, 1570, 1727, 2005, 2355, 2406, 3454, 4010, 4411, 4710, 5181, 6015, 8635, 8822, 10362, 12030, 13233, 17270, 22055, 25905, 26466, 44110, 51810, 62957, 66165, 125914, 132330, 188871, 314785, 377742, 629570, 692527, 944355, 1385054, 1888710, 2077581, 3462635, 4155162, 6925270, 10387905, 20775810]

約数ペア:

[(1, 20775810), (2, 10387905), (3, 6925270), (5, 4155162), (6, 3462635), (10, 2077581), (11, 1888710), (15, 1385054), (22, 944355), (30, 692527), (33, 629570), (55, 377742), (66, 314785), (110, 188871), (157, 132330), (165, 125914), (314, 66165), (330, 62957), (401, 51810), (471, 44110), (785, 26466), (802, 25905), (942, 22055), (1203, 17270), (1570, 13233), (1727, 12030), (2005, 10362), (2355, 8822), (2406, 8635), (3454, 6015), (4010, 5181), (4411, 4710)]