20804977908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4041371}}^1$

素因数の和:4041405

約数の個数: 72

約数和(自身を含む): 61784495136

約数和(自身を除く): 40979517228

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 4041371, 8082742, 12124113, 16165484, 24248226, 36372339, 44455081, 48496452, 52537823, 72744678, 88910162, 105075646, 133365243, 145489356, 157613469, 177820324, 210151292, 266730486, 315226938, 400095729, 472840407, 533460972, 577916053, 630453876, 800191458, 945680814, 1155832106, 1600382916, 1733748159, 1891361628, 2311664212, 3467496318, 5201244477, 6934992636, 10402488954, 20804977908]

約数ペア:

[(1, 20804977908), (2, 10402488954), (3, 6934992636), (4, 5201244477), (6, 3467496318), (9, 2311664212), (11, 1891361628), (12, 1733748159), (13, 1600382916), (18, 1155832106), (22, 945680814), (26, 800191458), (33, 630453876), (36, 577916053), (39, 533460972), (44, 472840407), (52, 400095729), (66, 315226938), (78, 266730486), (99, 210151292), (117, 177820324), (132, 157613469), (143, 145489356), (156, 133365243), (198, 105075646), (234, 88910162), (286, 72744678), (396, 52537823), (429, 48496452), (468, 44455081), (572, 36372339), (858, 24248226), (1287, 16165484), (1716, 12124113), (2574, 8082742), (5148, 4041371)]