20798340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{346639}}^1$

素因数の和:346651

約数の個数: 24

約数和(自身を含む): 58235520

約数和(自身を除く): 37437180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 346639, 693278, 1039917, 1386556, 1733195, 2079834, 3466390, 4159668, 5199585, 6932780, 10399170, 20798340]

約数ペア:

[(1, 20798340), (2, 10399170), (3, 6932780), (4, 5199585), (5, 4159668), (6, 3466390), (10, 2079834), (12, 1733195), (15, 1386556), (20, 1039917), (30, 693278), (60, 346639)]