20193048220

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1\times {\mathrm{63313}}^1$

素因数の和:63790

約数の個数: 48

約数和(自身を含む): 43653230208

約数和(自身を除く): 23460181988

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 431, 740, 862, 1724, 2155, 4310, 8620, 15947, 31894, 63313, 63788, 79735, 126626, 159470, 253252, 316565, 318940, 633130, 1266260, 2342581, 4685162, 9370324, 11712905, 23425810, 27287903, 46851620, 54575806, 109151612, 136439515, 272879030, 545758060, 1009652411, 2019304822, 4038609644, 5048262055, 10096524110, 20193048220]

約数ペア:

[(1, 20193048220), (2, 10096524110), (4, 5048262055), (5, 4038609644), (10, 2019304822), (20, 1009652411), (37, 545758060), (74, 272879030), (148, 136439515), (185, 109151612), (370, 54575806), (431, 46851620), (740, 27287903), (862, 23425810), (1724, 11712905), (2155, 9370324), (4310, 4685162), (8620, 2342581), (15947, 1266260), (31894, 633130), (63313, 318940), (63788, 316565), (79735, 253252), (126626, 159470)]