20177620988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37927859}}^1$

素因数の和:37927889

約数の個数: 24

約数和(自身を含む): 42479203200

約数和(自身を除く): 22301582212

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 37927859, 75855718, 151711436, 265495013, 530990026, 720629321, 1061980052, 1441258642, 2882517284, 5044405247, 10088810494, 20177620988]

約数ペア:

[(1, 20177620988), (2, 10088810494), (4, 5044405247), (7, 2882517284), (14, 1441258642), (19, 1061980052), (28, 720629321), (38, 530990026), (76, 265495013), (133, 151711436), (266, 75855718), (532, 37927859)]