20512133992

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1\times {\mathrm{12197}}^1$

素因数の和:12778

約数の個数: 64

約数和(自身を含む): 44791056000

約数和(自身を除く): 24278922008

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 509, 826, 1018, 1652, 2036, 3304, 3563, 4072, 7126, 12197, 14252, 24394, 28504, 30031, 48788, 60062, 85379, 97576, 120124, 170758, 210217, 240248, 341516, 420434, 683032, 719623, 840868, 1439246, 1681736, 2878492, 5037361, 5756984, 6208273, 10074722, 12416546, 20149444, 24833092, 40298888, 43457911, 49666184, 86915822, 173831644, 347663288, 366288107, 732576214, 1465152428, 2564016749, 2930304856, 5128033498, 10256066996, 20512133992]

約数ペア:

[(1, 20512133992), (2, 10256066996), (4, 5128033498), (7, 2930304856), (8, 2564016749), (14, 1465152428), (28, 732576214), (56, 366288107), (59, 347663288), (118, 173831644), (236, 86915822), (413, 49666184), (472, 43457911), (509, 40298888), (826, 24833092), (1018, 20149444), (1652, 12416546), (2036, 10074722), (3304, 6208273), (3563, 5756984), (4072, 5037361), (7126, 2878492), (12197, 1681736), (14252, 1439246), (24394, 840868), (28504, 719623), (30031, 683032), (48788, 420434), (60062, 341516), (85379, 240248), (97576, 210217), (120124, 170758)]