20472494

素因数分解:

$2^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{659}}^1$

素因数の和:992

約数の個数: 24

約数和(自身を含む): 35889480

約数和(自身を除く): 15416986

約数列:

[1, 2, 7, 14, 49, 98, 317, 634, 659, 1318, 2219, 4438, 4613, 9226, 15533, 31066, 32291, 64582, 208903, 417806, 1462321, 2924642, 10236247, 20472494]

約数ペア:

[(1, 20472494), (2, 10236247), (7, 2924642), (14, 1462321), (49, 417806), (98, 208903), (317, 64582), (634, 32291), (659, 31066), (1318, 15533), (2219, 9226), (4438, 4613)]