20154893872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1423}}^1\times {\mathrm{46591}}^1$

素因数の和:48041

約数の個数: 40

約数和(自身を含む): 41135144960

約数和(自身を除く): 20980251088

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1423, 2846, 5692, 11384, 22768, 27037, 46591, 54074, 93182, 108148, 186364, 216296, 372728, 432592, 745456, 885229, 1770458, 3540916, 7081832, 14163664, 66298993, 132597986, 265195972, 530391944, 1060783888, 1259680867, 2519361734, 5038723468, 10077446936, 20154893872]

約数ペア:

[(1, 20154893872), (2, 10077446936), (4, 5038723468), (8, 2519361734), (16, 1259680867), (19, 1060783888), (38, 530391944), (76, 265195972), (152, 132597986), (304, 66298993), (1423, 14163664), (2846, 7081832), (5692, 3540916), (11384, 1770458), (22768, 885229), (27037, 745456), (46591, 432592), (54074, 372728), (93182, 216296), (108148, 186364)]