20176951490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1579}}^1\times {\mathrm{29717}}^1$

素因数の和:31346

約数の個数: 32

約数和(自身を含む): 37187916480

約数和(自身を除く): 17010964990

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1579, 3158, 7895, 15790, 29717, 59434, 67897, 135794, 148585, 297170, 339485, 678970, 1277831, 2555662, 6389155, 12778310, 46923143, 93846286, 234615715, 469231430, 2017695149, 4035390298, 10088475745, 20176951490]

約数ペア:

[(1, 20176951490), (2, 10088475745), (5, 4035390298), (10, 2017695149), (43, 469231430), (86, 234615715), (215, 93846286), (430, 46923143), (1579, 12778310), (3158, 6389155), (7895, 2555662), (15790, 1277831), (29717, 678970), (59434, 339485), (67897, 297170), (135794, 148585)]