20926962

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{541}}^1$

素因数の和:863

約数の個数: 48

約数和(自身を含む): 52084032

約数和(自身を除く): 31157070

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 307, 541, 614, 921, 1082, 1623, 1842, 2149, 2763, 3246, 3787, 4298, 4869, 5526, 6447, 7574, 9738, 11361, 12894, 19341, 22722, 34083, 38682, 68166, 166087, 332174, 498261, 996522, 1162609, 1494783, 2325218, 2989566, 3487827, 6975654, 10463481, 20926962]

約数ペア:

[(1, 20926962), (2, 10463481), (3, 6975654), (6, 3487827), (7, 2989566), (9, 2325218), (14, 1494783), (18, 1162609), (21, 996522), (42, 498261), (63, 332174), (126, 166087), (307, 68166), (541, 38682), (614, 34083), (921, 22722), (1082, 19341), (1623, 12894), (1842, 11361), (2149, 9738), (2763, 7574), (3246, 6447), (3787, 5526), (4298, 4869)]