20280752

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66713}}^1$

素因数の和:66740

約数の個数: 20

約数和(自身を含む): 41362680

約数和(自身を除く): 21081928

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66713, 133426, 266852, 533704, 1067408, 1267547, 2535094, 5070188, 10140376, 20280752]

約数ペア:

[(1, 20280752), (2, 10140376), (4, 5070188), (8, 2535094), (16, 1267547), (19, 1067408), (38, 533704), (76, 266852), (152, 133426), (304, 66713)]