20798862

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495211}}^1$

素因数の和:495223

約数の個数: 16

約数和(自身を含む): 47540352

約数和(自身を除く): 26741490

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495211, 990422, 1485633, 2971266, 3466477, 6932954, 10399431, 20798862]

約数ペア:

[(1, 20798862), (2, 10399431), (3, 6932954), (6, 3466477), (7, 2971266), (14, 1485633), (21, 990422), (42, 495211)]