20184087385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1\times {\mathrm{1489}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 30556776960

約数和(自身を除く): 10372689575

約数列:

[1, 5, 7, 11, 35, 55, 77, 137, 257, 385, 685, 959, 1285, 1489, 1507, 1799, 2827, 4795, 7445, 7535, 8995, 10423, 10549, 14135, 16379, 19789, 35209, 52115, 52745, 81895, 98945, 114653, 176045, 203993, 246463, 382673, 387299, 573265, 1019965, 1232315, 1427951, 1913365, 1936495, 2243923, 2678711, 2711093, 4209403, 7139755, 11219615, 13393555, 13555465, 15707461, 21047015, 29465821, 52426201, 78537305, 147329105, 262131005, 366983407, 576688211, 1834917035, 2883441055, 4036817477, 20184087385]

約数ペア:

[(1, 20184087385), (5, 4036817477), (7, 2883441055), (11, 1834917035), (35, 576688211), (55, 366983407), (77, 262131005), (137, 147329105), (257, 78537305), (385, 52426201), (685, 29465821), (959, 21047015), (1285, 15707461), (1489, 13555465), (1507, 13393555), (1799, 11219615), (2827, 7139755), (4795, 4209403), (7445, 2711093), (7535, 2678711), (8995, 2243923), (10423, 1936495), (10549, 1913365), (14135, 1427951), (16379, 1232315), (19789, 1019965), (35209, 573265), (52115, 387299), (52745, 382673), (81895, 246463), (98945, 203993), (114653, 176045)]