20919470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14629}}^1$

素因数の和:14660

約数の個数: 32

約数和(自身を含む): 44241120

約数和(自身を除く): 23321650

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14629, 29258, 73145, 146290, 160919, 190177, 321838, 380354, 804595, 950885, 1609190, 1901770, 2091947, 4183894, 10459735, 20919470]

約数ペア:

[(1, 20919470), (2, 10459735), (5, 4183894), (10, 2091947), (11, 1901770), (13, 1609190), (22, 950885), (26, 804595), (55, 380354), (65, 321838), (110, 190177), (130, 160919), (143, 146290), (286, 73145), (715, 29258), (1430, 14629)]