20679725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 28227360

約数和(自身を除く): 7547635

約数列:

[1, 5, 11, 25, 55, 139, 275, 541, 695, 1529, 2705, 3475, 5951, 7645, 13525, 29755, 38225, 75199, 148775, 375995, 827189, 1879975, 4135945, 20679725]

約数ペア:

[(1, 20679725), (5, 4135945), (11, 1879975), (25, 827189), (55, 375995), (139, 148775), (275, 75199), (541, 38225), (695, 29755), (1529, 13525), (2705, 7645), (3475, 5951)]