20408873170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{291555331}}^1$

素因数の和:291555345

約数の個数: 16

約数和(自身を含む): 41983967808

約数和(自身を除く): 21575094638

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 291555331, 583110662, 1457776655, 2040887317, 2915553310, 4081774634, 10204436585, 20408873170]

約数ペア:

[(1, 20408873170), (2, 10204436585), (5, 4081774634), (7, 2915553310), (10, 2040887317), (14, 1457776655), (35, 583110662), (70, 291555331)]