20185760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 55520640

約数和(自身を除く): 35334880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 67, 70, 80, 112, 134, 140, 160, 224, 268, 269, 280, 335, 469, 536, 538, 560, 670, 938, 1072, 1076, 1120, 1340, 1345, 1876, 1883, 2144, 2152, 2345, 2680, 2690, 3752, 3766, 4304, 4690, 5360, 5380, 7504, 7532, 8608, 9380, 9415, 10720, 10760, 15008, 15064, 18023, 18760, 18830, 21520, 30128, 36046, 37520, 37660, 43040, 60256, 72092, 75040, 75320, 90115, 126161, 144184, 150640, 180230, 252322, 288368, 301280, 360460, 504644, 576736, 630805, 720920, 1009288, 1261610, 1441840, 2018576, 2523220, 2883680, 4037152, 5046440, 10092880, 20185760]

約数ペア:

[(1, 20185760), (2, 10092880), (4, 5046440), (5, 4037152), (7, 2883680), (8, 2523220), (10, 2018576), (14, 1441840), (16, 1261610), (20, 1009288), (28, 720920), (32, 630805), (35, 576736), (40, 504644), (56, 360460), (67, 301280), (70, 288368), (80, 252322), (112, 180230), (134, 150640), (140, 144184), (160, 126161), (224, 90115), (268, 75320), (269, 75040), (280, 72092), (335, 60256), (469, 43040), (536, 37660), (538, 37520), (560, 36046), (670, 30128), (938, 21520), (1072, 18830), (1076, 18760), (1120, 18023), (1340, 15064), (1345, 15008), (1876, 10760), (1883, 10720), (2144, 9415), (2152, 9380), (2345, 8608), (2680, 7532), (2690, 7504), (3752, 5380), (3766, 5360), (4304, 4690)]