20277950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 49282560

約数和(自身を除く): 29004610

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 25, 35, 46, 50, 55, 70, 77, 110, 115, 154, 161, 175, 229, 230, 253, 275, 322, 350, 385, 458, 506, 550, 575, 770, 805, 1145, 1150, 1265, 1603, 1610, 1771, 1925, 2290, 2519, 2530, 3206, 3542, 3850, 4025, 5038, 5267, 5725, 6325, 8015, 8050, 8855, 10534, 11450, 12595, 12650, 16030, 17633, 17710, 25190, 26335, 35266, 36869, 40075, 44275, 52670, 57937, 62975, 73738, 80150, 88165, 88550, 115874, 125950, 131675, 176330, 184345, 263350, 289685, 368690, 405559, 440825, 579370, 811118, 881650, 921725, 1448425, 1843450, 2027795, 2896850, 4055590, 10138975, 20277950]

約数ペア:

[(1, 20277950), (2, 10138975), (5, 4055590), (7, 2896850), (10, 2027795), (11, 1843450), (14, 1448425), (22, 921725), (23, 881650), (25, 811118), (35, 579370), (46, 440825), (50, 405559), (55, 368690), (70, 289685), (77, 263350), (110, 184345), (115, 176330), (154, 131675), (161, 125950), (175, 115874), (229, 88550), (230, 88165), (253, 80150), (275, 73738), (322, 62975), (350, 57937), (385, 52670), (458, 44275), (506, 40075), (550, 36869), (575, 35266), (770, 26335), (805, 25190), (1145, 17710), (1150, 17633), (1265, 16030), (1603, 12650), (1610, 12595), (1771, 11450), (1925, 10534), (2290, 8855), (2519, 8050), (2530, 8015), (3206, 6325), (3542, 5725), (3850, 5267), (4025, 5038)]