20567898

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 49956480

約数和(自身を除く): 29388582

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 83, 117, 166, 234, 249, 351, 353, 498, 702, 706, 747, 1059, 1079, 1494, 2118, 2158, 2241, 3177, 3237, 4482, 4589, 6354, 6474, 9178, 9531, 9711, 13767, 19062, 19422, 27534, 29133, 29299, 41301, 58266, 58598, 82602, 87897, 123903, 175794, 247806, 263691, 380887, 527382, 761774, 791073, 1142661, 1582146, 2285322, 3427983, 6855966, 10283949, 20567898]

約数ペア:

[(1, 20567898), (2, 10283949), (3, 6855966), (6, 3427983), (9, 2285322), (13, 1582146), (18, 1142661), (26, 791073), (27, 761774), (39, 527382), (54, 380887), (78, 263691), (83, 247806), (117, 175794), (166, 123903), (234, 87897), (249, 82602), (351, 58598), (353, 58266), (498, 41301), (702, 29299), (706, 29133), (747, 27534), (1059, 19422), (1079, 19062), (1494, 13767), (2118, 9711), (2158, 9531), (2241, 9178), (3177, 6474), (3237, 6354), (4482, 4589)]