20888948795

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1270231}}^1$

素因数の和:1270283

約数の個数: 32

約数和(自身を含む): 30729452544

約数和(自身を除く): 9840503749

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1265, 1495, 3289, 16445, 1270231, 6351155, 13972541, 16513003, 29215313, 69862705, 82565015, 146076565, 181643033, 321368443, 379799069, 908215165, 1606842215, 1898995345, 4177789759, 20888948795]

約数ペア:

[(1, 20888948795), (5, 4177789759), (11, 1898995345), (13, 1606842215), (23, 908215165), (55, 379799069), (65, 321368443), (115, 181643033), (143, 146076565), (253, 82565015), (299, 69862705), (715, 29215313), (1265, 16513003), (1495, 13972541), (3289, 6351155), (16445, 1270231)]