20402172890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1353827}}^1$

素因数の和:1353982

約数の個数: 32

約数和(自身を含む): 40354905024

約数和(自身を除く): 19952732134

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 137, 274, 685, 1370, 1507, 3014, 7535, 15070, 1353827, 2707654, 6769135, 13538270, 14892097, 29784194, 74460485, 148920970, 185474299, 370948598, 927371495, 1854742990, 2040217289, 4080434578, 10201086445, 20402172890]

約数ペア:

[(1, 20402172890), (2, 10201086445), (5, 4080434578), (10, 2040217289), (11, 1854742990), (22, 927371495), (55, 370948598), (110, 185474299), (137, 148920970), (274, 74460485), (685, 29784194), (1370, 14892097), (1507, 13538270), (3014, 6769135), (7535, 2707654), (15070, 1353827)]