20512101512

素因数分解:

$2^3\times 7^1\times {\mathrm{19597}}^1\times {\mathrm{18691}}^1$

素因数の和:38301

約数の個数: 32

約数和(自身を含む): 43959097920

約数和(自身を除く): 23446996408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 18691, 19597, 37382, 39194, 74764, 78388, 130837, 137179, 149528, 156776, 261674, 274358, 523348, 548716, 1046696, 1097432, 366287527, 732575054, 1465150108, 2564012689, 2930300216, 5128025378, 10256050756, 20512101512]

約数ペア:

[(1, 20512101512), (2, 10256050756), (4, 5128025378), (7, 2930300216), (8, 2564012689), (14, 1465150108), (28, 732575054), (56, 366287527), (18691, 1097432), (19597, 1046696), (37382, 548716), (39194, 523348), (74764, 274358), (78388, 261674), (130837, 156776), (137179, 149528)]