20188012808

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1\times {\mathrm{1193}}^1$

素因数の和:1638

約数の個数: 64

約数和(自身を含む): 38903958720

約数和(自身を除く): 18715945912

約数列:

[1, 2, 4, 8, 67, 131, 134, 241, 262, 268, 482, 524, 536, 964, 1048, 1193, 1928, 2386, 4772, 8777, 9544, 16147, 17554, 31571, 32294, 35108, 63142, 64588, 70216, 79931, 126284, 129176, 156283, 159862, 252568, 287513, 312566, 319724, 575026, 625132, 639448, 1150052, 1250264, 2115257, 2300104, 4230514, 8461028, 10470961, 16922056, 19263371, 20941922, 37664203, 38526742, 41883844, 75328406, 77053484, 83767688, 150656812, 154106968, 301313624, 2523501601, 5047003202, 10094006404, 20188012808]

約数ペア:

[(1, 20188012808), (2, 10094006404), (4, 5047003202), (8, 2523501601), (67, 301313624), (131, 154106968), (134, 150656812), (241, 83767688), (262, 77053484), (268, 75328406), (482, 41883844), (524, 38526742), (536, 37664203), (964, 20941922), (1048, 19263371), (1193, 16922056), (1928, 10470961), (2386, 8461028), (4772, 4230514), (8777, 2300104), (9544, 2115257), (16147, 1250264), (17554, 1150052), (31571, 639448), (32294, 625132), (35108, 575026), (63142, 319724), (64588, 312566), (70216, 287513), (79931, 252568), (126284, 159862), (129176, 156283)]