20162048868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2243}}^1\times {\mathrm{19207}}^1$

素因数の和:21473

約数の個数: 72

約数和(自身を含む): 54912906048

約数和(自身を除く): 34750857180

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 2243, 4486, 6729, 8972, 13458, 19207, 20187, 26916, 29159, 38414, 40374, 57621, 58318, 76828, 80748, 87477, 115242, 116636, 172863, 174954, 230484, 249691, 262431, 345726, 349908, 499382, 524862, 691452, 749073, 998764, 1049724, 1498146, 2247219, 2996292, 4494438, 8988876, 43081301, 86162602, 129243903, 172325204, 258487806, 387731709, 516975612, 560056913, 775463418, 1120113826, 1550926836, 1680170739, 2240227652, 3360341478, 5040512217, 6720682956, 10081024434, 20162048868]

約数ペア:

[(1, 20162048868), (2, 10081024434), (3, 6720682956), (4, 5040512217), (6, 3360341478), (9, 2240227652), (12, 1680170739), (13, 1550926836), (18, 1120113826), (26, 775463418), (36, 560056913), (39, 516975612), (52, 387731709), (78, 258487806), (117, 172325204), (156, 129243903), (234, 86162602), (468, 43081301), (2243, 8988876), (4486, 4494438), (6729, 2996292), (8972, 2247219), (13458, 1498146), (19207, 1049724), (20187, 998764), (26916, 749073), (29159, 691452), (38414, 524862), (40374, 499382), (57621, 349908), (58318, 345726), (76828, 262431), (80748, 249691), (87477, 230484), (115242, 174954), (116636, 172863)]