20473860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:553

約数の個数: 96

約数和(自身を含む): 63608832

約数和(自身を除く): 43134972

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 67, 110, 132, 134, 165, 201, 220, 268, 330, 335, 402, 463, 660, 670, 737, 804, 926, 1005, 1340, 1389, 1474, 1852, 2010, 2211, 2315, 2778, 2948, 3685, 4020, 4422, 4630, 5093, 5556, 6945, 7370, 8844, 9260, 10186, 11055, 13890, 14740, 15279, 20372, 22110, 25465, 27780, 30558, 31021, 44220, 50930, 61116, 62042, 76395, 93063, 101860, 124084, 152790, 155105, 186126, 305580, 310210, 341231, 372252, 465315, 620420, 682462, 930630, 1023693, 1364924, 1706155, 1861260, 2047386, 3412310, 4094772, 5118465, 6824620, 10236930, 20473860]

約数ペア:

[(1, 20473860), (2, 10236930), (3, 6824620), (4, 5118465), (5, 4094772), (6, 3412310), (10, 2047386), (11, 1861260), (12, 1706155), (15, 1364924), (20, 1023693), (22, 930630), (30, 682462), (33, 620420), (44, 465315), (55, 372252), (60, 341231), (66, 310210), (67, 305580), (110, 186126), (132, 155105), (134, 152790), (165, 124084), (201, 101860), (220, 93063), (268, 76395), (330, 62042), (335, 61116), (402, 50930), (463, 44220), (660, 31021), (670, 30558), (737, 27780), (804, 25465), (926, 22110), (1005, 20372), (1340, 15279), (1389, 14740), (1474, 13890), (1852, 11055), (2010, 10186), (2211, 9260), (2315, 8844), (2778, 7370), (2948, 6945), (3685, 5556), (4020, 5093), (4422, 4630)]