20323090688

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97169}}^1$

素因数の和:97247

約数の個数: 72

約数和(自身を含む): 43695405600

約数和(自身を除く): 23372314912

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 256, 304, 344, 608, 688, 817, 1216, 1376, 1634, 2432, 2752, 3268, 4864, 5504, 6536, 11008, 13072, 26144, 52288, 97169, 104576, 194338, 209152, 388676, 777352, 1554704, 1846211, 3109408, 3692422, 4178267, 6218816, 7384844, 8356534, 12437632, 14769688, 16713068, 24875264, 29539376, 33426136, 59078752, 66852272, 79387073, 118157504, 133704544, 158774146, 236315008, 267409088, 317548292, 472630016, 534818176, 635096584, 1069636352, 1270193168, 2540386336, 5080772672, 10161545344, 20323090688]

約数ペア:

[(1, 20323090688), (2, 10161545344), (4, 5080772672), (8, 2540386336), (16, 1270193168), (19, 1069636352), (32, 635096584), (38, 534818176), (43, 472630016), (64, 317548292), (76, 267409088), (86, 236315008), (128, 158774146), (152, 133704544), (172, 118157504), (256, 79387073), (304, 66852272), (344, 59078752), (608, 33426136), (688, 29539376), (817, 24875264), (1216, 16713068), (1376, 14769688), (1634, 12437632), (2432, 8356534), (2752, 7384844), (3268, 6218816), (4864, 4178267), (5504, 3692422), (6536, 3109408), (11008, 1846211), (13072, 1554704), (26144, 777352), (52288, 388676), (97169, 209152), (104576, 194338)]