20839448

素因数分解:

$2^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1889}}^1$

素因数の和:2099

約数の個数: 32

約数和(自身を含む): 44906400

約数和(自身を除く): 24066952

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 197, 394, 788, 1379, 1576, 1889, 2758, 3778, 5516, 7556, 11032, 13223, 15112, 26446, 52892, 105784, 372133, 744266, 1488532, 2604931, 2977064, 5209862, 10419724, 20839448]

約数ペア:

[(1, 20839448), (2, 10419724), (4, 5209862), (7, 2977064), (8, 2604931), (14, 1488532), (28, 744266), (56, 372133), (197, 105784), (394, 52892), (788, 26446), (1379, 15112), (1576, 13223), (1889, 11032), (2758, 7556), (3778, 5516)]