20148030725

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{1409}}^1\times {\mathrm{18451}}^1$

素因数の和:19901

約数の個数: 24

約数和(自身を含む): 25809181440

約数和(自身を除く): 5661150715

約数列:

[1, 5, 25, 31, 155, 775, 1409, 7045, 18451, 35225, 43679, 92255, 218395, 461275, 571981, 1091975, 2859905, 14299525, 25997459, 129987295, 649936475, 805921229, 4029606145, 20148030725]

約数ペア:

[(1, 20148030725), (5, 4029606145), (25, 805921229), (31, 649936475), (155, 129987295), (775, 25997459), (1409, 14299525), (7045, 2859905), (18451, 1091975), (35225, 571981), (43679, 461275), (92255, 218395)]