20172729890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1945297}}^1$

素因数の和:1945382

約数の個数: 32

約数和(自身を含む): 39077146224

約数和(自身を除く): 18904416334

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 5185, 10370, 1945297, 3890594, 9726485, 19452970, 33070049, 66140098, 118663117, 165350245, 237326234, 330700490, 593315585, 1186631170, 2017272989, 4034545978, 10086364945, 20172729890]

約数ペア:

[(1, 20172729890), (2, 10086364945), (5, 4034545978), (10, 2017272989), (17, 1186631170), (34, 593315585), (61, 330700490), (85, 237326234), (122, 165350245), (170, 118663117), (305, 66140098), (610, 33070049), (1037, 19452970), (2074, 9726485), (5185, 3890594), (10370, 1945297)]