20571005950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1\times {\mathrm{509}}^1$

素因数の和:1102

約数の個数: 96

約数和(自身を含む): 42147436320

約数和(自身を除く): 21576430370

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 197, 275, 373, 394, 509, 550, 746, 985, 1018, 1865, 1970, 2167, 2545, 3730, 4103, 4334, 4925, 5090, 5599, 8206, 9325, 9850, 10835, 11198, 12725, 18650, 20515, 21670, 25450, 27995, 41030, 54175, 55990, 73481, 100273, 102575, 108350, 139975, 146962, 189857, 200546, 205150, 279950, 367405, 379714, 501365, 734810, 808291, 949285, 1002730, 1103003, 1616582, 1837025, 1898570, 2088427, 2206006, 2506825, 3674050, 4041455, 4176854, 4746425, 5013650, 5515015, 8082910, 9492850, 10442135, 11030030, 20207275, 20884270, 27575075, 37401829, 40414550, 52210675, 55150150, 74803658, 104421350, 187009145, 374018290, 411420119, 822840238, 935045725, 1870091450, 2057100595, 4114201190, 10285502975, 20571005950]

約数ペア:

[(1, 20571005950), (2, 10285502975), (5, 4114201190), (10, 2057100595), (11, 1870091450), (22, 935045725), (25, 822840238), (50, 411420119), (55, 374018290), (110, 187009145), (197, 104421350), (275, 74803658), (373, 55150150), (394, 52210675), (509, 40414550), (550, 37401829), (746, 27575075), (985, 20884270), (1018, 20207275), (1865, 11030030), (1970, 10442135), (2167, 9492850), (2545, 8082910), (3730, 5515015), (4103, 5013650), (4334, 4746425), (4925, 4176854), (5090, 4041455), (5599, 3674050), (8206, 2506825), (9325, 2206006), (9850, 2088427), (10835, 1898570), (11198, 1837025), (12725, 1616582), (18650, 1103003), (20515, 1002730), (21670, 949285), (25450, 808291), (27995, 734810), (41030, 501365), (54175, 379714), (55990, 367405), (73481, 279950), (100273, 205150), (102575, 200546), (108350, 189857), (139975, 146962)]