20694876

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{653}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 51273600

約数和(自身を除く): 30578724

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 139, 228, 278, 417, 556, 653, 834, 1306, 1668, 1959, 2612, 2641, 3918, 5282, 7836, 7923, 10564, 12407, 15846, 24814, 31692, 37221, 49628, 74442, 90767, 148884, 181534, 272301, 363068, 544602, 1089204, 1724573, 3449146, 5173719, 6898292, 10347438, 20694876]

約数ペア:

[(1, 20694876), (2, 10347438), (3, 6898292), (4, 5173719), (6, 3449146), (12, 1724573), (19, 1089204), (38, 544602), (57, 363068), (76, 272301), (114, 181534), (139, 148884), (228, 90767), (278, 74442), (417, 49628), (556, 37221), (653, 31692), (834, 24814), (1306, 15846), (1668, 12407), (1959, 10564), (2612, 7923), (2641, 7836), (3918, 5282)]