20590972

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 36867600

約数和(自身を除く): 16276628

約数列:

[1, 2, 4, 83, 109, 166, 218, 332, 436, 569, 1138, 2276, 9047, 18094, 36188, 47227, 62021, 94454, 124042, 188908, 248084, 5147743, 10295486, 20590972]

約数ペア:

[(1, 20590972), (2, 10295486), (4, 5147743), (83, 248084), (109, 188908), (166, 124042), (218, 94454), (332, 62021), (436, 47227), (569, 36188), (1138, 18094), (2276, 9047)]