20198968

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 19637192

約数列:

[1, 2, 4, 8, 23, 46, 92, 151, 184, 302, 604, 727, 1208, 1454, 2908, 3473, 5816, 6946, 13892, 16721, 27784, 33442, 66884, 109777, 133768, 219554, 439108, 878216, 2524871, 5049742, 10099484, 20198968]

約数ペア:

[(1, 20198968), (2, 10099484), (4, 5049742), (8, 2524871), (23, 878216), (46, 439108), (92, 219554), (151, 133768), (184, 109777), (302, 66884), (604, 33442), (727, 27784), (1208, 16721), (1454, 13892), (2908, 6946), (3473, 5816)]