20077065680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{21821}}^1$

素因数の和:21925

約数の個数: 160

約数和(自身を含む): 56110123008

約数和(自身を除く): 36033057328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 53, 56, 62, 70, 80, 106, 112, 124, 140, 155, 212, 217, 248, 265, 280, 310, 371, 424, 434, 496, 530, 560, 620, 742, 848, 868, 1060, 1085, 1240, 1484, 1643, 1736, 1855, 2120, 2170, 2480, 2968, 3286, 3472, 3710, 4240, 4340, 5936, 6572, 7420, 8215, 8680, 11501, 13144, 14840, 16430, 17360, 21821, 23002, 26288, 29680, 32860, 43642, 46004, 57505, 65720, 87284, 92008, 109105, 115010, 131440, 152747, 174568, 184016, 218210, 230020, 305494, 349136, 436420, 460040, 610988, 676451, 763735, 872840, 920080, 1156513, 1221976, 1352902, 1527470, 1745680, 2313026, 2443952, 2705804, 3054940, 3382255, 4626052, 4735157, 5411608, 5782565, 6109880, 6764510, 8095591, 9252104, 9470314, 10823216, 11565130, 12219760, 13529020, 16191182, 18504208, 18940628, 23130260, 23675785, 27058040, 32382364, 35851903, 37881256, 40477955, 46260520, 47351570, 54116080, 64764728, 71703806, 75762512, 80955910, 92521040, 94703140, 129529456, 143407612, 161911820, 179259515, 189406280, 250963321, 286815224, 323823640, 358519030, 378812560, 501926642, 573630448, 647647280, 717038060, 1003853284, 1254816605, 1434076120, 2007706568, 2509633210, 2868152240, 4015413136, 5019266420, 10038532840, 20077065680]

約数ペア:

[(1, 20077065680), (2, 10038532840), (4, 5019266420), (5, 4015413136), (7, 2868152240), (8, 2509633210), (10, 2007706568), (14, 1434076120), (16, 1254816605), (20, 1003853284), (28, 717038060), (31, 647647280), (35, 573630448), (40, 501926642), (53, 378812560), (56, 358519030), (62, 323823640), (70, 286815224), (80, 250963321), (106, 189406280), (112, 179259515), (124, 161911820), (140, 143407612), (155, 129529456), (212, 94703140), (217, 92521040), (248, 80955910), (265, 75762512), (280, 71703806), (310, 64764728), (371, 54116080), (424, 47351570), (434, 46260520), (496, 40477955), (530, 37881256), (560, 35851903), (620, 32382364), (742, 27058040), (848, 23675785), (868, 23130260), (1060, 18940628), (1085, 18504208), (1240, 16191182), (1484, 13529020), (1643, 12219760), (1736, 11565130), (1855, 10823216), (2120, 9470314), (2170, 9252104), (2480, 8095591), (2968, 6764510), (3286, 6109880), (3472, 5782565), (3710, 5411608), (4240, 4735157), (4340, 4626052), (5936, 3382255), (6572, 3054940), (7420, 2705804), (8215, 2443952), (8680, 2313026), (11501, 1745680), (13144, 1527470), (14840, 1352902), (16430, 1221976), (17360, 1156513), (21821, 920080), (23002, 872840), (26288, 763735), (29680, 676451), (32860, 610988), (43642, 460040), (46004, 436420), (57505, 349136), (65720, 305494), (87284, 230020), (92008, 218210), (109105, 184016), (115010, 174568), (131440, 152747)]