20423018

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{269}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 21567382

約数列:

[1, 2, 7, 11, 14, 17, 22, 29, 34, 58, 77, 119, 154, 187, 203, 238, 269, 319, 374, 406, 493, 538, 638, 986, 1309, 1883, 2233, 2618, 2959, 3451, 3766, 4466, 4573, 5423, 5918, 6902, 7801, 9146, 10846, 15602, 20713, 32011, 37961, 41426, 50303, 54607, 64022, 75922, 85811, 100606, 109214, 132617, 171622, 265234, 352121, 600677, 704242, 928319, 1201354, 1458787, 1856638, 2917574, 10211509, 20423018]

約数ペア:

[(1, 20423018), (2, 10211509), (7, 2917574), (11, 1856638), (14, 1458787), (17, 1201354), (22, 928319), (29, 704242), (34, 600677), (58, 352121), (77, 265234), (119, 171622), (154, 132617), (187, 109214), (203, 100606), (238, 85811), (269, 75922), (319, 64022), (374, 54607), (406, 50303), (493, 41426), (538, 37961), (638, 32011), (986, 20713), (1309, 15602), (1883, 10846), (2233, 9146), (2618, 7801), (2959, 6902), (3451, 5918), (3766, 5423), (4466, 4573)]