20163220136

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{887}}^1\times {\mathrm{1291}}^1$

素因数の和:2286

約数の個数: 64

約数和(自身を含む): 39650549760

約数和(自身を除く): 19487329624

約数列:

[1, 2, 4, 8, 31, 62, 71, 124, 142, 248, 284, 568, 887, 1291, 1774, 2201, 2582, 3548, 4402, 5164, 7096, 8804, 10328, 17608, 27497, 40021, 54994, 62977, 80042, 91661, 109988, 125954, 160084, 183322, 219976, 251908, 320168, 366644, 503816, 733288, 1145117, 1952287, 2290234, 2841491, 3904574, 4580468, 5682982, 7809148, 9160936, 11365964, 15618296, 22731928, 35498627, 70997254, 81303307, 141994508, 162606614, 283989016, 325213228, 650426456, 2520402517, 5040805034, 10081610068, 20163220136]

約数ペア:

[(1, 20163220136), (2, 10081610068), (4, 5040805034), (8, 2520402517), (31, 650426456), (62, 325213228), (71, 283989016), (124, 162606614), (142, 141994508), (248, 81303307), (284, 70997254), (568, 35498627), (887, 22731928), (1291, 15618296), (1774, 11365964), (2201, 9160936), (2582, 7809148), (3548, 5682982), (4402, 4580468), (5164, 3904574), (7096, 2841491), (8804, 2290234), (10328, 1952287), (17608, 1145117), (27497, 733288), (40021, 503816), (54994, 366644), (62977, 320168), (80042, 251908), (91661, 219976), (109988, 183322), (125954, 160084)]