20162870780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12157}}^1\times {\mathrm{6379}}^1$

素因数の和:18558

約数の個数: 48

約数和(自身を含む): 45610007520

約数和(自身を除く): 25447136740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6379, 12157, 12758, 24314, 25516, 31895, 48628, 60785, 63790, 82927, 121570, 127580, 158041, 165854, 243140, 316082, 331708, 414635, 632164, 790205, 829270, 1580410, 1658540, 3160820, 77549503, 155099006, 310198012, 387747515, 775495030, 1008143539, 1550990060, 2016287078, 4032574156, 5040717695, 10081435390, 20162870780]

約数ペア:

[(1, 20162870780), (2, 10081435390), (4, 5040717695), (5, 4032574156), (10, 2016287078), (13, 1550990060), (20, 1008143539), (26, 775495030), (52, 387747515), (65, 310198012), (130, 155099006), (260, 77549503), (6379, 3160820), (12157, 1658540), (12758, 1580410), (24314, 829270), (25516, 790205), (31895, 632164), (48628, 414635), (60785, 331708), (63790, 316082), (82927, 243140), (121570, 165854), (127580, 158041)]