20864080448

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4591567}}^1$

素因数の和:4591650

約数の個数: 28

約数和(自身を含む): 41985297792

約数和(自身を除く): 21121217344

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 4591567, 9183134, 18366268, 36732536, 73465072, 146930144, 293860288, 326001257, 652002514, 1304005028, 2608010056, 5216020112, 10432040224, 20864080448]

約数ペア:

[(1, 20864080448), (2, 10432040224), (4, 5216020112), (8, 2608010056), (16, 1304005028), (32, 652002514), (64, 326001257), (71, 293860288), (142, 146930144), (284, 73465072), (568, 36732536), (1136, 18366268), (2272, 9183134), (4544, 4591567)]