20551100

素因数分解:

$2^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{1361}}^1$

素因数の和:1526

約数の個数: 36

約数和(自身を含む): 44924208

約数和(自身を除く): 24373108

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 151, 302, 604, 755, 1361, 1510, 2722, 3020, 3775, 5444, 6805, 7550, 13610, 15100, 27220, 34025, 68050, 136100, 205511, 411022, 822044, 1027555, 2055110, 4110220, 5137775, 10275550, 20551100]

約数ペア:

[(1, 20551100), (2, 10275550), (4, 5137775), (5, 4110220), (10, 2055110), (20, 1027555), (25, 822044), (50, 411022), (100, 205511), (151, 136100), (302, 68050), (604, 34025), (755, 27220), (1361, 15100), (1510, 13610), (2722, 7550), (3020, 6805), (3775, 5444)]