20441036

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 47880000

約数和(自身を除く): 27438964

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 499, 532, 539, 836, 931, 998, 1078, 1463, 1862, 1996, 2156, 2926, 3493, 3724, 5489, 5852, 6986, 9481, 10241, 10978, 13972, 18962, 20482, 21956, 24451, 37924, 38423, 40964, 48902, 66367, 76846, 97804, 104291, 132734, 153692, 208582, 265468, 268961, 417164, 464569, 537922, 730037, 929138, 1075844, 1460074, 1858276, 2920148, 5110259, 10220518, 20441036]

約数ペア:

[(1, 20441036), (2, 10220518), (4, 5110259), (7, 2920148), (11, 1858276), (14, 1460074), (19, 1075844), (22, 929138), (28, 730037), (38, 537922), (44, 464569), (49, 417164), (76, 268961), (77, 265468), (98, 208582), (133, 153692), (154, 132734), (196, 104291), (209, 97804), (266, 76846), (308, 66367), (418, 48902), (499, 40964), (532, 38423), (539, 37924), (836, 24451), (931, 21956), (998, 20482), (1078, 18962), (1463, 13972), (1862, 10978), (1996, 10241), (2156, 9481), (2926, 6986), (3493, 5852), (3724, 5489)]