20746744

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 40007520

約数和(自身を除く): 19260776

約数列:

[1, 2, 4, 8, 53, 106, 167, 212, 293, 334, 424, 586, 668, 1172, 1336, 2344, 8851, 15529, 17702, 31058, 35404, 48931, 62116, 70808, 97862, 124232, 195724, 391448, 2593343, 5186686, 10373372, 20746744]

約数ペア:

[(1, 20746744), (2, 10373372), (4, 5186686), (8, 2593343), (53, 391448), (106, 195724), (167, 124232), (212, 97862), (293, 70808), (334, 62116), (424, 48931), (586, 35404), (668, 31058), (1172, 17702), (1336, 15529), (2344, 8851)]