20778049214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{4001}}^1\times {\mathrm{199739}}^1$

素因数の和:203755

約数の個数: 16

約数和(自身を含む): 33573098160

約数和(自身を除く): 12795048946

約数列:

[1, 2, 13, 26, 4001, 8002, 52013, 104026, 199739, 399478, 2596607, 5193214, 799155739, 1598311478, 10389024607, 20778049214]

約数ペア:

[(1, 20778049214), (2, 10389024607), (13, 1598311478), (26, 799155739), (4001, 5193214), (8002, 2596607), (52013, 399478), (104026, 199739)]