20123486570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{18719}}^1$

素因数の和:19103

約数の個数: 64

約数和(自身を含む): 41001292800

約数和(自身を除く): 20877806230

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 337, 638, 674, 1595, 1685, 3190, 3370, 3707, 7414, 9773, 18535, 18719, 19546, 37070, 37438, 48865, 93595, 97730, 107503, 187190, 205909, 215006, 411818, 537515, 542851, 1029545, 1075030, 1085702, 2059090, 2714255, 5428510, 5971361, 6308303, 11942722, 12616606, 29856805, 31541515, 59713610, 63083030, 69391333, 138782666, 182940787, 346956665, 365881574, 693913330, 914703935, 1829407870, 2012348657, 4024697314, 10061743285, 20123486570]

約数ペア:

[(1, 20123486570), (2, 10061743285), (5, 4024697314), (10, 2012348657), (11, 1829407870), (22, 914703935), (29, 693913330), (55, 365881574), (58, 346956665), (110, 182940787), (145, 138782666), (290, 69391333), (319, 63083030), (337, 59713610), (638, 31541515), (674, 29856805), (1595, 12616606), (1685, 11942722), (3190, 6308303), (3370, 5971361), (3707, 5428510), (7414, 2714255), (9773, 2059090), (18535, 1085702), (18719, 1075030), (19546, 1029545), (37070, 542851), (37438, 537515), (48865, 411818), (93595, 215006), (97730, 205909), (107503, 187190)]