20643512

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{743}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 20068168

約数列:

[1, 2, 4, 8, 23, 46, 92, 151, 184, 302, 604, 743, 1208, 1486, 2972, 3473, 5944, 6946, 13892, 17089, 27784, 34178, 68356, 112193, 136712, 224386, 448772, 897544, 2580439, 5160878, 10321756, 20643512]

約数ペア:

[(1, 20643512), (2, 10321756), (4, 5160878), (8, 2580439), (23, 897544), (46, 448772), (92, 224386), (151, 136712), (184, 112193), (302, 68356), (604, 34178), (743, 27784), (1208, 17089), (1486, 13892), (2972, 6946), (3473, 5944)]