20304464

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66791}}^1$

素因数の和:66818

約数の個数: 20

約数和(自身を含む): 41411040

約数和(自身を除く): 21106576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66791, 133582, 267164, 534328, 1068656, 1269029, 2538058, 5076116, 10152232, 20304464]

約数ペア:

[(1, 20304464), (2, 10152232), (4, 5076116), (8, 2538058), (16, 1269029), (19, 1068656), (38, 534328), (76, 267164), (152, 133582), (304, 66791)]