20714874

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 25941126

約数列:

[1, 2, 3, 6, 17, 29, 34, 47, 51, 58, 87, 94, 102, 141, 149, 174, 282, 298, 447, 493, 799, 894, 986, 1363, 1479, 1598, 2397, 2533, 2726, 2958, 4089, 4321, 4794, 5066, 7003, 7599, 8178, 8642, 12963, 14006, 15198, 21009, 23171, 25926, 42018, 46342, 69513, 73457, 119051, 139026, 146914, 203087, 220371, 238102, 357153, 406174, 440742, 609261, 714306, 1218522, 3452479, 6904958, 10357437, 20714874]

約数ペア:

[(1, 20714874), (2, 10357437), (3, 6904958), (6, 3452479), (17, 1218522), (29, 714306), (34, 609261), (47, 440742), (51, 406174), (58, 357153), (87, 238102), (94, 220371), (102, 203087), (141, 146914), (149, 139026), (174, 119051), (282, 73457), (298, 69513), (447, 46342), (493, 42018), (799, 25926), (894, 23171), (986, 21009), (1363, 15198), (1479, 14006), (1598, 12963), (2397, 8642), (2533, 8178), (2726, 7599), (2958, 7003), (4089, 5066), (4321, 4794)]