20719476

素因数分解:

$2^2\times 3^4\times {\mathrm{63949}}^1$

素因数の和:63965

約数の個数: 30

約数和(自身を含む): 54165650

約数和(自身を除く): 33446174

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 63949, 127898, 191847, 255796, 383694, 575541, 767388, 1151082, 1726623, 2302164, 3453246, 5179869, 6906492, 10359738, 20719476]

約数ペア:

[(1, 20719476), (2, 10359738), (3, 6906492), (4, 5179869), (6, 3453246), (9, 2302164), (12, 1726623), (18, 1151082), (27, 767388), (36, 575541), (54, 383694), (81, 255796), (108, 191847), (162, 127898), (324, 63949)]