20901100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19001}}^1$

素因数の和:19026

約数の個数: 36

約数和(自身を含む): 49481208

約数和(自身を除く): 28580108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 19001, 38002, 76004, 95005, 190010, 209011, 380020, 418022, 475025, 836044, 950050, 1045055, 1900100, 2090110, 4180220, 5225275, 10450550, 20901100]

約数ペア:

[(1, 20901100), (2, 10450550), (4, 5225275), (5, 4180220), (10, 2090110), (11, 1900100), (20, 1045055), (22, 950050), (25, 836044), (44, 475025), (50, 418022), (55, 380020), (100, 209011), (110, 190010), (220, 95005), (275, 76004), (550, 38002), (1100, 19001)]