20806739888

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{1163}}^1\times {\mathrm{9241}}^1$

素因数の和:10434

約数の個数: 60

約数和(自身を含む): 44353947624

約数和(自身を除く): 23547207736

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1163, 1936, 2326, 4652, 9241, 9304, 12793, 18482, 18608, 25586, 36964, 51172, 73928, 101651, 102344, 140723, 147856, 203302, 204688, 281446, 406604, 562892, 813208, 1118161, 1125784, 1626416, 2236322, 2251568, 4472644, 8945288, 10747283, 17890576, 21494566, 42989132, 85978264, 118220113, 171956528, 236440226, 472880452, 945760904, 1300421243, 1891521808, 2600842486, 5201684972, 10403369944, 20806739888]

約数ペア:

[(1, 20806739888), (2, 10403369944), (4, 5201684972), (8, 2600842486), (11, 1891521808), (16, 1300421243), (22, 945760904), (44, 472880452), (88, 236440226), (121, 171956528), (176, 118220113), (242, 85978264), (484, 42989132), (968, 21494566), (1163, 17890576), (1936, 10747283), (2326, 8945288), (4652, 4472644), (9241, 2251568), (9304, 2236322), (12793, 1626416), (18482, 1125784), (18608, 1118161), (25586, 813208), (36964, 562892), (51172, 406604), (73928, 281446), (101651, 204688), (102344, 203302), (140723, 147856)]